Home / 29,251.20-43,887.60-28,171.20

Finding the Fourth Proportional to 29,251.20, 43,887.60 and 28,171.20

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Solution

The fourth proportional to 29,251.20, 43,887.60 and 28,171.20 is: 42,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.20 : 43,887.60 = 28,171.20 : x
  2. Step 2: Convert to fraction form
    29,251.20/43,887.60 = 28,171.20/x
  3. Step 3: Cross multiply
    29,251.20x = 43,887.60 × 28,171.20
  4. Step 4: Simplify right side
    29,251.20x = 1,236,366,357.12
  5. Step 5: Solve for x
    x = 1,236,366,357.12/29,251.20
  6. Step 6: Final answer
    x = 42,267.20

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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.