Home / 38,403.40-57,613.20-16,205.35

Finding the Fourth Proportional to 38,403.40, 57,613.20 and 16,205.35

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Solution

The fourth proportional to 38,403.40, 57,613.20 and 16,205.35 is: 24,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.40 : 57,613.20 = 16,205.35 : x
  2. Step 2: Convert to fraction form
    38,403.40/57,613.20 = 16,205.35/x
  3. Step 3: Cross multiply
    38,403.40x = 57,613.20 × 16,205.35
  4. Step 4: Simplify right side
    38,403.40x = 933,642,070.62
  5. Step 5: Solve for x
    x = 933,642,070.62/38,403.40
  6. Step 6: Final answer
    x = 24,311.44

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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.