Home / 26,781.28-40,171.92-25,157.44

Finding the Fourth Proportional to 26,781.28, 40,171.92 and 25,157.44

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Solution

The fourth proportional to 26,781.28, 40,171.92 and 25,157.44 is: 37,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.28 : 40,171.92 = 25,157.44 : x
  2. Step 2: Convert to fraction form
    26,781.28/40,171.92 = 25,157.44/x
  3. Step 3: Cross multiply
    26,781.28x = 40,171.92 × 25,157.44
  4. Step 4: Simplify right side
    26,781.28x = 1,010,622,667.08
  5. Step 5: Solve for x
    x = 1,010,622,667.08/26,781.28
  6. Step 6: Final answer
    x = 37,736.16

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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.