Home / 38,578.20-57,824.10-16,387.80

Finding the Fourth Proportional to 38,578.20, 57,824.10 and 16,387.80

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Solution

The fourth proportional to 38,578.20, 57,824.10 and 16,387.80 is: 24,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.20 : 57,824.10 = 16,387.80 : x
  2. Step 2: Convert to fraction form
    38,578.20/57,824.10 = 16,387.80/x
  3. Step 3: Cross multiply
    38,578.20x = 57,824.10 × 16,387.80
  4. Step 4: Simplify right side
    38,578.20x = 947,609,785.98
  5. Step 5: Solve for x
    x = 947,609,785.98/38,578.20
  6. Step 6: Final answer
    x = 24,563.35

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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.