Home / 18,081.25-27,122.36-5,769.25

Finding the Fourth Proportional to 18,081.25, 27,122.36 and 5,769.25

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Solution

The fourth proportional to 18,081.25, 27,122.36 and 5,769.25 is: 8,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.25 : 27,122.36 = 5,769.25 : x
  2. Step 2: Convert to fraction form
    18,081.25/27,122.36 = 5,769.25/x
  3. Step 3: Cross multiply
    18,081.25x = 27,122.36 × 5,769.25
  4. Step 4: Simplify right side
    18,081.25x = 156,475,675.43
  5. Step 5: Solve for x
    x = 156,475,675.43/18,081.25
  6. Step 6: Final answer
    x = 8,654.03

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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.