Home / 28,966.20-43,449.30-13,414.20

Finding the Fourth Proportional to 28,966.20, 43,449.30 and 13,414.20

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Solution

The fourth proportional to 28,966.20, 43,449.30 and 13,414.20 is: 20,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.20 : 43,449.30 = 13,414.20 : x
  2. Step 2: Convert to fraction form
    28,966.20/43,449.30 = 13,414.20/x
  3. Step 3: Cross multiply
    28,966.20x = 43,449.30 × 13,414.20
  4. Step 4: Simplify right side
    28,966.20x = 582,837,600.06
  5. Step 5: Solve for x
    x = 582,837,600.06/28,966.20
  6. Step 6: Final answer
    x = 20,121.30

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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.