Home / 26,388.56-36,407.17-15,049.90

Finding the Fourth Proportional to 26,388.56, 36,407.17 and 15,049.90

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Solution

The fourth proportional to 26,388.56, 36,407.17 and 15,049.90 is: 20,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.56 : 36,407.17 = 15,049.90 : x
  2. Step 2: Convert to fraction form
    26,388.56/36,407.17 = 15,049.90/x
  3. Step 3: Cross multiply
    26,388.56x = 36,407.17 × 15,049.90
  4. Step 4: Simplify right side
    26,388.56x = 547,924,332.10
  5. Step 5: Solve for x
    x = 547,924,332.10/26,388.56
  6. Step 6: Final answer
    x = 20,763.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.