Home / 28,691.64-39,593.55-15,944.76

Finding the Fourth Proportional to 28,691.64, 39,593.55 and 15,944.76

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Solution

The fourth proportional to 28,691.64, 39,593.55 and 15,944.76 is: 22,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.64 : 39,593.55 = 15,944.76 : x
  2. Step 2: Convert to fraction form
    28,691.64/39,593.55 = 15,944.76/x
  3. Step 3: Cross multiply
    28,691.64x = 39,593.55 × 15,944.76
  4. Step 4: Simplify right side
    28,691.64x = 631,309,652.30
  5. Step 5: Solve for x
    x = 631,309,652.30/28,691.64
  6. Step 6: Final answer
    x = 22,003.26

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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.