Home / 31,991.38-47,922.82-15,932.53

Finding the Fourth Proportional to 31,991.38, 47,922.82 and 15,932.53

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Solution

The fourth proportional to 31,991.38, 47,922.82 and 15,932.53 is: 23,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.38 : 47,922.82 = 15,932.53 : x
  2. Step 2: Convert to fraction form
    31,991.38/47,922.82 = 15,932.53/x
  3. Step 3: Cross multiply
    31,991.38x = 47,922.82 × 15,932.53
  4. Step 4: Simplify right side
    31,991.38x = 763,531,687.67
  5. Step 5: Solve for x
    x = 763,531,687.67/31,991.38
  6. Step 6: Final answer
    x = 23,866.80

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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.