Home / 28,773.38-43,156.98-7,715.53

Finding the Fourth Proportional to 28,773.38, 43,156.98 and 7,715.53

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Solution

The fourth proportional to 28,773.38, 43,156.98 and 7,715.53 is: 11,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.38 : 43,156.98 = 7,715.53 : x
  2. Step 2: Convert to fraction form
    28,773.38/43,156.98 = 7,715.53/x
  3. Step 3: Cross multiply
    28,773.38x = 43,156.98 × 7,715.53
  4. Step 4: Simplify right side
    28,773.38x = 332,978,973.90
  5. Step 5: Solve for x
    x = 332,978,973.90/28,773.38
  6. Step 6: Final answer
    x = 11,572.47

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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.