Home / 38,080.88-57,121.28-10,378.88

Finding the Fourth Proportional to 38,080.88, 57,121.28 and 10,378.88

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Solution

The fourth proportional to 38,080.88, 57,121.28 and 10,378.88 is: 15,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.88 : 57,121.28 = 10,378.88 : x
  2. Step 2: Convert to fraction form
    38,080.88/57,121.28 = 10,378.88/x
  3. Step 3: Cross multiply
    38,080.88x = 57,121.28 × 10,378.88
  4. Step 4: Simplify right side
    38,080.88x = 592,854,910.57
  5. Step 5: Solve for x
    x = 592,854,910.57/38,080.88
  6. Step 6: Final answer
    x = 15,568.31

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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.