Home / 28,923.25-39,916.03-16,177.61

Finding the Fourth Proportional to 28,923.25, 39,916.03 and 16,177.61

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Solution

The fourth proportional to 28,923.25, 39,916.03 and 16,177.61 is: 22,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.25 : 39,916.03 = 16,177.61 : x
  2. Step 2: Convert to fraction form
    28,923.25/39,916.03 = 16,177.61/x
  3. Step 3: Cross multiply
    28,923.25x = 39,916.03 × 16,177.61
  4. Step 4: Simplify right side
    28,923.25x = 645,745,793.84
  5. Step 5: Solve for x
    x = 645,745,793.84/28,923.25
  6. Step 6: Final answer
    x = 22,326.19

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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.