Home / 28,167.80-42,251.70-27,908.60

Finding the Fourth Proportional to 28,167.80, 42,251.70 and 27,908.60

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Solution

The fourth proportional to 28,167.80, 42,251.70 and 27,908.60 is: 41,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.80 : 42,251.70 = 27,908.60 : x
  2. Step 2: Convert to fraction form
    28,167.80/42,251.70 = 27,908.60/x
  3. Step 3: Cross multiply
    28,167.80x = 42,251.70 × 27,908.60
  4. Step 4: Simplify right side
    28,167.80x = 1,179,185,794.62
  5. Step 5: Solve for x
    x = 1,179,185,794.62/28,167.80
  6. Step 6: Final answer
    x = 41,862.90

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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.