Home / 40,422.28-60,605.20-17,920.76

Finding the Fourth Proportional to 40,422.28, 60,605.20 and 17,920.76

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Solution

The fourth proportional to 40,422.28, 60,605.20 and 17,920.76 is: 26,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.28 : 60,605.20 = 17,920.76 : x
  2. Step 2: Convert to fraction form
    40,422.28/60,605.20 = 17,920.76/x
  3. Step 3: Cross multiply
    40,422.28x = 60,605.20 × 17,920.76
  4. Step 4: Simplify right side
    40,422.28x = 1,086,091,243.95
  5. Step 5: Solve for x
    x = 1,086,091,243.95/40,422.28
  6. Step 6: Final answer
    x = 26,868.63

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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.