Home / 26,874.45-40,311.68-9,331.88

Finding the Fourth Proportional to 26,874.45, 40,311.68 and 9,331.88

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Solution

The fourth proportional to 26,874.45, 40,311.68 and 9,331.88 is: 13,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.45 : 40,311.68 = 9,331.88 : x
  2. Step 2: Convert to fraction form
    26,874.45/40,311.68 = 9,331.88/x
  3. Step 3: Cross multiply
    26,874.45x = 40,311.68 × 9,331.88
  4. Step 4: Simplify right side
    26,874.45x = 376,183,512.14
  5. Step 5: Solve for x
    x = 376,183,512.14/26,874.45
  6. Step 6: Final answer
    x = 13,997.81

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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.