Home / 26,761.42-40,129.56-15,519.96

Finding the Fourth Proportional to 26,761.42, 40,129.56 and 15,519.96

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Solution

The fourth proportional to 26,761.42, 40,129.56 and 15,519.96 is: 23,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.42 : 40,129.56 = 15,519.96 : x
  2. Step 2: Convert to fraction form
    26,761.42/40,129.56 = 15,519.96/x
  3. Step 3: Cross multiply
    26,761.42x = 40,129.56 × 15,519.96
  4. Step 4: Simplify right side
    26,761.42x = 622,809,044.70
  5. Step 5: Solve for x
    x = 622,809,044.70/26,761.42
  6. Step 6: Final answer
    x = 23,272.64

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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.