Which proposal type would be best for requesting specific funding for a project or study?

A grant proposal is specifically designed to request funding for a project or study. This type of proposal outlines the goals, objectives, and anticipated outcomes of the project, as well as a clear budget that details how the funding will be utilized. It addresses the criteria established by the funding agency, making a strong case for why the project merits financial support.

In contrast, unsolicited proposals typically present ideas or projects without prior request from the funding source, which may not align with their priorities. Solicited proposals respond to a formal request issued by an organization for specific project ideas, but may not focus solely on funding in the same way a grant proposal does. A sales proposal, while it does seek to secure funding or financial commitment, is primarily aimed at selling a product or service rather than requesting financial support for a project or study. Therefore, the grant proposal is the most suitable option for explicitly requesting funding.