Home / 29,129.65-43,713.92-15,991.25

Finding the Fourth Proportional to 29,129.65, 43,713.92 and 15,991.25

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Solution

The fourth proportional to 29,129.65, 43,713.92 and 15,991.25 is: 23,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.65 : 43,713.92 = 15,991.25 : x
  2. Step 2: Convert to fraction form
    29,129.65/43,713.92 = 15,991.25/x
  3. Step 3: Cross multiply
    29,129.65x = 43,713.92 × 15,991.25
  4. Step 4: Simplify right side
    29,129.65x = 699,040,044.61
  5. Step 5: Solve for x
    x = 699,040,044.61/29,129.65
  6. Step 6: Final answer
    x = 23,997.55

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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.