Home / 26,286.28-39,430.02-8,757.52

Finding the Fourth Proportional to 26,286.28, 39,430.02 and 8,757.52

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Solution

The fourth proportional to 26,286.28, 39,430.02 and 8,757.52 is: 13,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.28 : 39,430.02 = 8,757.52 : x
  2. Step 2: Convert to fraction form
    26,286.28/39,430.02 = 8,757.52/x
  3. Step 3: Cross multiply
    26,286.28x = 39,430.02 × 8,757.52
  4. Step 4: Simplify right side
    26,286.28x = 345,309,188.75
  5. Step 5: Solve for x
    x = 345,309,188.75/26,286.28
  6. Step 6: Final answer
    x = 13,136.48

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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.