Home / 18,629.26-27,949.92-5,481.70

Finding the Fourth Proportional to 18,629.26, 27,949.92 and 5,481.70

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Solution

The fourth proportional to 18,629.26, 27,949.92 and 5,481.70 is: 8,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.26 : 27,949.92 = 5,481.70 : x
  2. Step 2: Convert to fraction form
    18,629.26/27,949.92 = 5,481.70/x
  3. Step 3: Cross multiply
    18,629.26x = 27,949.92 × 5,481.70
  4. Step 4: Simplify right side
    18,629.26x = 153,213,076.46
  5. Step 5: Solve for x
    x = 153,213,076.46/18,629.26
  6. Step 6: Final answer
    x = 8,224.32

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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.