Home / 26,474.24-36,531.42-15,715.28

Finding the Fourth Proportional to 26,474.24, 36,531.42 and 15,715.28

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Solution

The fourth proportional to 26,474.24, 36,531.42 and 15,715.28 is: 21,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.24 : 36,531.42 = 15,715.28 : x
  2. Step 2: Convert to fraction form
    26,474.24/36,531.42 = 15,715.28/x
  3. Step 3: Cross multiply
    26,474.24x = 36,531.42 × 15,715.28
  4. Step 4: Simplify right side
    26,474.24x = 574,101,494.10
  5. Step 5: Solve for x
    x = 574,101,494.10/26,474.24
  6. Step 6: Final answer
    x = 21,685.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.