Home / 17,128-25,651.68-14,372.38

Finding the Fourth Proportional to 17,128, 25,651.68 and 14,372.38

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Solution

The fourth proportional to 17,128, 25,651.68 and 14,372.38 is: 21,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128 : 25,651.68 = 14,372.38 : x
  2. Step 2: Convert to fraction form
    17,128/25,651.68 = 14,372.38/x
  3. Step 3: Cross multiply
    17,128x = 25,651.68 × 14,372.38
  4. Step 4: Simplify right side
    17,128x = 368,675,692.60
  5. Step 5: Solve for x
    x = 368,675,692.60/17,128
  6. Step 6: Final answer
    x = 21,524.74

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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.