Home / 19,174.38-28,735-14,490.56

Finding the Fourth Proportional to 19,174.38, 28,735 and 14,490.56

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Solution

The fourth proportional to 19,174.38, 28,735 and 14,490.56 is: 21,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.38 : 28,735 = 14,490.56 : x
  2. Step 2: Convert to fraction form
    19,174.38/28,735 = 14,490.56/x
  3. Step 3: Cross multiply
    19,174.38x = 28,735 × 14,490.56
  4. Step 4: Simplify right side
    19,174.38x = 416,386,241.60
  5. Step 5: Solve for x
    x = 416,386,241.60/19,174.38
  6. Step 6: Final answer
    x = 21,715.76

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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.