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Finding the Fourth Proportional to 26,874.63, 40,311.90 and 9,344.43

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Solution

The fourth proportional to 26,874.63, 40,311.90 and 9,344.43 is: 14,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.63 : 40,311.90 = 9,344.43 : x
  2. Step 2: Convert to fraction form
    26,874.63/40,311.90 = 9,344.43/x
  3. Step 3: Cross multiply
    26,874.63x = 40,311.90 × 9,344.43
  4. Step 4: Simplify right side
    26,874.63x = 376,691,727.72
  5. Step 5: Solve for x
    x = 376,691,727.72/26,874.63
  6. Step 6: Final answer
    x = 14,016.63

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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.