Home / 28,382.35-39,167.65-16,452.61

Finding the Fourth Proportional to 28,382.35, 39,167.65 and 16,452.61

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Solution

The fourth proportional to 28,382.35, 39,167.65 and 16,452.61 is: 22,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.35 : 39,167.65 = 16,452.61 : x
  2. Step 2: Convert to fraction form
    28,382.35/39,167.65 = 16,452.61/x
  3. Step 3: Cross multiply
    28,382.35x = 39,167.65 × 16,452.61
  4. Step 4: Simplify right side
    28,382.35x = 644,409,791.97
  5. Step 5: Solve for x
    x = 644,409,791.97/28,382.35
  6. Step 6: Final answer
    x = 22,704.60

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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.