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Finding the Fourth Proportional to 17,634.60, 26,451.90 and 17,375.40

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Solution

The fourth proportional to 17,634.60, 26,451.90 and 17,375.40 is: 26,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,634.60 : 26,451.90 = 17,375.40 : x
  2. Step 2: Convert to fraction form
    17,634.60/26,451.90 = 17,375.40/x
  3. Step 3: Cross multiply
    17,634.60x = 26,451.90 × 17,375.40
  4. Step 4: Simplify right side
    17,634.60x = 459,612,343.26
  5. Step 5: Solve for x
    x = 459,612,343.26/17,634.60
  6. Step 6: Final answer
    x = 26,063.10

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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.