Home / 29,326.92-40,471.28-15,898.15

Finding the Fourth Proportional to 29,326.92, 40,471.28 and 15,898.15

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Solution

The fourth proportional to 29,326.92, 40,471.28 and 15,898.15 is: 21,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.92 : 40,471.28 = 15,898.15 : x
  2. Step 2: Convert to fraction form
    29,326.92/40,471.28 = 15,898.15/x
  3. Step 3: Cross multiply
    29,326.92x = 40,471.28 × 15,898.15
  4. Step 4: Simplify right side
    29,326.92x = 643,418,480.13
  5. Step 5: Solve for x
    x = 643,418,480.13/29,326.92
  6. Step 6: Final answer
    x = 21,939.52

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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.