Home / 38,497.32-57,731.40-15,111

Finding the Fourth Proportional to 38,497.32, 57,731.40 and 15,111

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Solution

The fourth proportional to 38,497.32, 57,731.40 and 15,111 is: 22,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.32 : 57,731.40 = 15,111 : x
  2. Step 2: Convert to fraction form
    38,497.32/57,731.40 = 15,111/x
  3. Step 3: Cross multiply
    38,497.32x = 57,731.40 × 15,111
  4. Step 4: Simplify right side
    38,497.32x = 872,379,185.40
  5. Step 5: Solve for x
    x = 872,379,185.40/38,497.32
  6. Step 6: Final answer
    x = 22,660.78

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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.