Home / 26,512.68-39,768.11-6,791.41

Finding the Fourth Proportional to 26,512.68, 39,768.11 and 6,791.41

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Solution

The fourth proportional to 26,512.68, 39,768.11 and 6,791.41 is: 10,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.68 : 39,768.11 = 6,791.41 : x
  2. Step 2: Convert to fraction form
    26,512.68/39,768.11 = 6,791.41/x
  3. Step 3: Cross multiply
    26,512.68x = 39,768.11 × 6,791.41
  4. Step 4: Simplify right side
    26,512.68x = 270,081,539.94
  5. Step 5: Solve for x
    x = 270,081,539.94/26,512.68
  6. Step 6: Final answer
    x = 10,186.88

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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.