Home / 28,204.42-38,922.11-16,874.40

Finding the Fourth Proportional to 28,204.42, 38,922.11 and 16,874.40

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Solution

The fourth proportional to 28,204.42, 38,922.11 and 16,874.40 is: 23,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.42 : 38,922.11 = 16,874.40 : x
  2. Step 2: Convert to fraction form
    28,204.42/38,922.11 = 16,874.40/x
  3. Step 3: Cross multiply
    28,204.42x = 38,922.11 × 16,874.40
  4. Step 4: Simplify right side
    28,204.42x = 656,787,252.98
  5. Step 5: Solve for x
    x = 656,787,252.98/28,204.42
  6. Step 6: Final answer
    x = 23,286.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.