Home / 69,540.08-104,309.04-27,986

Finding the Fourth Proportional to 69,540.08, 104,309.04 and 27,986

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Solution

The fourth proportional to 69,540.08, 104,309.04 and 27,986 is: 41,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.08 : 104,309.04 = 27,986 : x
  2. Step 2: Convert to fraction form
    69,540.08/104,309.04 = 27,986/x
  3. Step 3: Cross multiply
    69,540.08x = 104,309.04 × 27,986
  4. Step 4: Simplify right side
    69,540.08x = 2,919,192,793.44
  5. Step 5: Solve for x
    x = 2,919,192,793.44/69,540.08
  6. Step 6: Final answer
    x = 41,978.57

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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.