Home / 38,451.20-57,548.80-27,891.20

Finding the Fourth Proportional to 38,451.20, 57,548.80 and 27,891.20

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Solution

The fourth proportional to 38,451.20, 57,548.80 and 27,891.20 is: 41,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.20 : 57,548.80 = 27,891.20 : x
  2. Step 2: Convert to fraction form
    38,451.20/57,548.80 = 27,891.20/x
  3. Step 3: Cross multiply
    38,451.20x = 57,548.80 × 27,891.20
  4. Step 4: Simplify right side
    38,451.20x = 1,605,105,090.56
  5. Step 5: Solve for x
    x = 1,605,105,090.56/38,451.20
  6. Step 6: Final answer
    x = 41,743.95

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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.