Home / 38,634.20-57,908.10-16,443.80

Finding the Fourth Proportional to 38,634.20, 57,908.10 and 16,443.80

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Solution

The fourth proportional to 38,634.20, 57,908.10 and 16,443.80 is: 24,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.20 : 57,908.10 = 16,443.80 : x
  2. Step 2: Convert to fraction form
    38,634.20/57,908.10 = 16,443.80/x
  3. Step 3: Cross multiply
    38,634.20x = 57,908.10 × 16,443.80
  4. Step 4: Simplify right side
    38,634.20x = 952,229,214.78
  5. Step 5: Solve for x
    x = 952,229,214.78/38,634.20
  6. Step 6: Final answer
    x = 24,647.31

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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.