Home / 28,816.38-39,767.67-16,242.30

Finding the Fourth Proportional to 28,816.38, 39,767.67 and 16,242.30

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Solution

The fourth proportional to 28,816.38, 39,767.67 and 16,242.30 is: 22,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.38 : 39,767.67 = 16,242.30 : x
  2. Step 2: Convert to fraction form
    28,816.38/39,767.67 = 16,242.30/x
  3. Step 3: Cross multiply
    28,816.38x = 39,767.67 × 16,242.30
  4. Step 4: Simplify right side
    28,816.38x = 645,918,426.44
  5. Step 5: Solve for x
    x = 645,918,426.44/28,816.38
  6. Step 6: Final answer
    x = 22,414.97

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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.