Home / 40,290.20-60,426.19-15,321.35

Finding the Fourth Proportional to 40,290.20, 60,426.19 and 15,321.35

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Solution

The fourth proportional to 40,290.20, 60,426.19 and 15,321.35 is: 22,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.20 : 60,426.19 = 15,321.35 : x
  2. Step 2: Convert to fraction form
    40,290.20/60,426.19 = 15,321.35/x
  3. Step 3: Cross multiply
    40,290.20x = 60,426.19 × 15,321.35
  4. Step 4: Simplify right side
    40,290.20x = 925,810,806.16
  5. Step 5: Solve for x
    x = 925,810,806.16/40,290.20
  6. Step 6: Final answer
    x = 22,978.56

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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.