Home / 28,951.38-43,499.67-18,425.94

Finding the Fourth Proportional to 28,951.38, 43,499.67 and 18,425.94

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Solution

The fourth proportional to 28,951.38, 43,499.67 and 18,425.94 is: 27,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.38 : 43,499.67 = 18,425.94 : x
  2. Step 2: Convert to fraction form
    28,951.38/43,499.67 = 18,425.94/x
  3. Step 3: Cross multiply
    28,951.38x = 43,499.67 × 18,425.94
  4. Step 4: Simplify right side
    28,951.38x = 801,522,309.44
  5. Step 5: Solve for x
    x = 801,522,309.44/28,951.38
  6. Step 6: Final answer
    x = 27,685.12

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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.