Home / 38,288.44-57,432.66-11,995.24

Finding the Fourth Proportional to 38,288.44, 57,432.66 and 11,995.24

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Solution

The fourth proportional to 38,288.44, 57,432.66 and 11,995.24 is: 17,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.44 : 57,432.66 = 11,995.24 : x
  2. Step 2: Convert to fraction form
    38,288.44/57,432.66 = 11,995.24/x
  3. Step 3: Cross multiply
    38,288.44x = 57,432.66 × 11,995.24
  4. Step 4: Simplify right side
    38,288.44x = 688,918,540.54
  5. Step 5: Solve for x
    x = 688,918,540.54/38,288.44
  6. Step 6: Final answer
    x = 17,992.86

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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.