Home / 38,590.20-57,863.70-16,399.80

Finding the Fourth Proportional to 38,590.20, 57,863.70 and 16,399.80

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Solution

The fourth proportional to 38,590.20, 57,863.70 and 16,399.80 is: 24,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.20 : 57,863.70 = 16,399.80 : x
  2. Step 2: Convert to fraction form
    38,590.20/57,863.70 = 16,399.80/x
  3. Step 3: Cross multiply
    38,590.20x = 57,863.70 × 16,399.80
  4. Step 4: Simplify right side
    38,590.20x = 948,953,107.26
  5. Step 5: Solve for x
    x = 948,953,107.26/38,590.20
  6. Step 6: Final answer
    x = 24,590.52

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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.