Home / 26,531.28-39,815.15-17,167.28

Finding the Fourth Proportional to 26,531.28, 39,815.15 and 17,167.28

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Solution

The fourth proportional to 26,531.28, 39,815.15 and 17,167.28 is: 25,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.28 : 39,815.15 = 17,167.28 : x
  2. Step 2: Convert to fraction form
    26,531.28/39,815.15 = 17,167.28/x
  3. Step 3: Cross multiply
    26,531.28x = 39,815.15 × 17,167.28
  4. Step 4: Simplify right side
    26,531.28x = 683,517,543.38
  5. Step 5: Solve for x
    x = 683,517,543.38/26,531.28
  6. Step 6: Final answer
    x = 25,762.71

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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.