Home / 38,327.92-52,892.09-21,331.87

Finding the Fourth Proportional to 38,327.92, 52,892.09 and 21,331.87

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Solution

The fourth proportional to 38,327.92, 52,892.09 and 21,331.87 is: 29,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.92 : 52,892.09 = 21,331.87 : x
  2. Step 2: Convert to fraction form
    38,327.92/52,892.09 = 21,331.87/x
  3. Step 3: Cross multiply
    38,327.92x = 52,892.09 × 21,331.87
  4. Step 4: Simplify right side
    38,327.92x = 1,128,287,029.01
  5. Step 5: Solve for x
    x = 1,128,287,029.01/38,327.92
  6. Step 6: Final answer
    x = 29,437.73

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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.