Home / 31,827.56-47,729.82-15,186.92

Finding the Fourth Proportional to 31,827.56, 47,729.82 and 15,186.92

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Solution

The fourth proportional to 31,827.56, 47,729.82 and 15,186.92 is: 22,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.56 : 47,729.82 = 15,186.92 : x
  2. Step 2: Convert to fraction form
    31,827.56/47,729.82 = 15,186.92/x
  3. Step 3: Cross multiply
    31,827.56x = 47,729.82 × 15,186.92
  4. Step 4: Simplify right side
    31,827.56x = 724,868,957.95
  5. Step 5: Solve for x
    x = 724,868,957.95/31,827.56
  6. Step 6: Final answer
    x = 22,774.88

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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.