Home / 38,572.97-57,892.33-15,215.81

Finding the Fourth Proportional to 38,572.97, 57,892.33 and 15,215.81

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Solution

The fourth proportional to 38,572.97, 57,892.33 and 15,215.81 is: 22,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.97 : 57,892.33 = 15,215.81 : x
  2. Step 2: Convert to fraction form
    38,572.97/57,892.33 = 15,215.81/x
  3. Step 3: Cross multiply
    38,572.97x = 57,892.33 × 15,215.81
  4. Step 4: Simplify right side
    38,572.97x = 880,878,693.74
  5. Step 5: Solve for x
    x = 880,878,693.74/38,572.97
  6. Step 6: Final answer
    x = 22,836.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.