Home / 38,251.46-57,386.42-13,287.88

Finding the Fourth Proportional to 38,251.46, 57,386.42 and 13,287.88

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Solution

The fourth proportional to 38,251.46, 57,386.42 and 13,287.88 is: 19,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.46 : 57,386.42 = 13,287.88 : x
  2. Step 2: Convert to fraction form
    38,251.46/57,386.42 = 13,287.88/x
  3. Step 3: Cross multiply
    38,251.46x = 57,386.42 × 13,287.88
  4. Step 4: Simplify right side
    38,251.46x = 762,543,796.15
  5. Step 5: Solve for x
    x = 762,543,796.15/38,251.46
  6. Step 6: Final answer
    x = 19,935.02

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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.