Home / 28,293.08-39,044.48-15,547.08

Finding the Fourth Proportional to 28,293.08, 39,044.48 and 15,547.08

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Solution

The fourth proportional to 28,293.08, 39,044.48 and 15,547.08 is: 21,454.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.08 : 39,044.48 = 15,547.08 : x
  2. Step 2: Convert to fraction form
    28,293.08/39,044.48 = 15,547.08/x
  3. Step 3: Cross multiply
    28,293.08x = 39,044.48 × 15,547.08
  4. Step 4: Simplify right side
    28,293.08x = 607,027,654.12
  5. Step 5: Solve for x
    x = 607,027,654.12/28,293.08
  6. Step 6: Final answer
    x = 21,454.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.