Home / 18,252.78-27,381.86-5,769.97

Finding the Fourth Proportional to 18,252.78, 27,381.86 and 5,769.97

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Solution

The fourth proportional to 18,252.78, 27,381.86 and 5,769.97 is: 8,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.78 : 27,381.86 = 5,769.97 : x
  2. Step 2: Convert to fraction form
    18,252.78/27,381.86 = 5,769.97/x
  3. Step 3: Cross multiply
    18,252.78x = 27,381.86 × 5,769.97
  4. Step 4: Simplify right side
    18,252.78x = 157,992,435.08
  5. Step 5: Solve for x
    x = 157,992,435.08/18,252.78
  6. Step 6: Final answer
    x = 8,655.80

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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.