Home / 28,708.20-43,025.85-15,549.75

Finding the Fourth Proportional to 28,708.20, 43,025.85 and 15,549.75

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Solution

The fourth proportional to 28,708.20, 43,025.85 and 15,549.75 is: 23,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.20 : 43,025.85 = 15,549.75 : x
  2. Step 2: Convert to fraction form
    28,708.20/43,025.85 = 15,549.75/x
  3. Step 3: Cross multiply
    28,708.20x = 43,025.85 × 15,549.75
  4. Step 4: Simplify right side
    28,708.20x = 669,041,211.04
  5. Step 5: Solve for x
    x = 669,041,211.04/28,708.20
  6. Step 6: Final answer
    x = 23,304.88

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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.