Home / 26,882.76-40,294.26-20,287.56

Finding the Fourth Proportional to 26,882.76, 40,294.26 and 20,287.56

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Solution

The fourth proportional to 26,882.76, 40,294.26 and 20,287.56 is: 30,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,882.76 : 40,294.26 = 20,287.56 : x
  2. Step 2: Convert to fraction form
    26,882.76/40,294.26 = 20,287.56/x
  3. Step 3: Cross multiply
    26,882.76x = 40,294.26 × 20,287.56
  4. Step 4: Simplify right side
    26,882.76x = 817,472,217.41
  5. Step 5: Solve for x
    x = 817,472,217.41/26,882.76
  6. Step 6: Final answer
    x = 30,408.79

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1.5x scale

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.