Home / 72,228.80-108,346.24-25,481.92

Finding the Fourth Proportional to 72,228.80, 108,346.24 and 25,481.92

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Solution

The fourth proportional to 72,228.80, 108,346.24 and 25,481.92 is: 38,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,228.80 : 108,346.24 = 25,481.92 : x
  2. Step 2: Convert to fraction form
    72,228.80/108,346.24 = 25,481.92/x
  3. Step 3: Cross multiply
    72,228.80x = 108,346.24 × 25,481.92
  4. Step 4: Simplify right side
    72,228.80x = 2,760,870,219.98
  5. Step 5: Solve for x
    x = 2,760,870,219.98/72,228.80
  6. Step 6: Final answer
    x = 38,223.95

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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.