Home / 26,771.28-40,082.76-20,177.52

Finding the Fourth Proportional to 26,771.28, 40,082.76 and 20,177.52

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Solution

The fourth proportional to 26,771.28, 40,082.76 and 20,177.52 is: 30,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.28 : 40,082.76 = 20,177.52 : x
  2. Step 2: Convert to fraction form
    26,771.28/40,082.76 = 20,177.52/x
  3. Step 3: Cross multiply
    26,771.28x = 40,082.76 × 20,177.52
  4. Step 4: Simplify right side
    26,771.28x = 808,770,691.56
  5. Step 5: Solve for x
    x = 808,770,691.56/26,771.28
  6. Step 6: Final answer
    x = 30,210.39

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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.