Home / 47,817.27-65,960.87-28,691.96

Finding the Fourth Proportional to 47,817.27, 65,960.87 and 28,691.96

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Solution

The fourth proportional to 47,817.27, 65,960.87 and 28,691.96 is: 39,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.27 : 65,960.87 = 28,691.96 : x
  2. Step 2: Convert to fraction form
    47,817.27/65,960.87 = 28,691.96/x
  3. Step 3: Cross multiply
    47,817.27x = 65,960.87 × 28,691.96
  4. Step 4: Simplify right side
    47,817.27x = 1,892,546,170.34
  5. Step 5: Solve for x
    x = 1,892,546,170.34/47,817.27
  6. Step 6: Final answer
    x = 39,578.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.