Home / 26,765.28-40,126.04-10,115.88

Finding the Fourth Proportional to 26,765.28, 40,126.04 and 10,115.88

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Solution

The fourth proportional to 26,765.28, 40,126.04 and 10,115.88 is: 15,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.28 : 40,126.04 = 10,115.88 : x
  2. Step 2: Convert to fraction form
    26,765.28/40,126.04 = 10,115.88/x
  3. Step 3: Cross multiply
    26,765.28x = 40,126.04 × 10,115.88
  4. Step 4: Simplify right side
    26,765.28x = 405,910,205.52
  5. Step 5: Solve for x
    x = 405,910,205.52/26,765.28
  6. Step 6: Final answer
    x = 15,165.55

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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.