Home / 18,629.40-27,944.04-5,481.74

Finding the Fourth Proportional to 18,629.40, 27,944.04 and 5,481.74

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Solution

The fourth proportional to 18,629.40, 27,944.04 and 5,481.74 is: 8,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.40 : 27,944.04 = 5,481.74 : x
  2. Step 2: Convert to fraction form
    18,629.40/27,944.04 = 5,481.74/x
  3. Step 3: Cross multiply
    18,629.40x = 27,944.04 × 5,481.74
  4. Step 4: Simplify right side
    18,629.40x = 153,181,961.83
  5. Step 5: Solve for x
    x = 153,181,961.83/18,629.40
  6. Step 6: Final answer
    x = 8,222.59

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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.