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Finding the Fourth Proportional to 17,371.40, 26,057.10 and 15,524.60

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Solution

The fourth proportional to 17,371.40, 26,057.10 and 15,524.60 is: 23,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.40 : 26,057.10 = 15,524.60 : x
  2. Step 2: Convert to fraction form
    17,371.40/26,057.10 = 15,524.60/x
  3. Step 3: Cross multiply
    17,371.40x = 26,057.10 × 15,524.60
  4. Step 4: Simplify right side
    17,371.40x = 404,526,054.66
  5. Step 5: Solve for x
    x = 404,526,054.66/17,371.40
  6. Step 6: Final answer
    x = 23,286.90

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1.5x scale

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.