Home / 26,917.76-40,395.28-15,691.70

Finding the Fourth Proportional to 26,917.76, 40,395.28 and 15,691.70

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Solution

The fourth proportional to 26,917.76, 40,395.28 and 15,691.70 is: 23,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.76 : 40,395.28 = 15,691.70 : x
  2. Step 2: Convert to fraction form
    26,917.76/40,395.28 = 15,691.70/x
  3. Step 3: Cross multiply
    26,917.76x = 40,395.28 × 15,691.70
  4. Step 4: Simplify right side
    26,917.76x = 633,870,615.18
  5. Step 5: Solve for x
    x = 633,870,615.18/26,917.76
  6. Step 6: Final answer
    x = 23,548.42

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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.