Home / 27,322.78-40,949.61-13,286.02

Finding the Fourth Proportional to 27,322.78, 40,949.61 and 13,286.02

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Solution

The fourth proportional to 27,322.78, 40,949.61 and 13,286.02 is: 19,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.78 : 40,949.61 = 13,286.02 : x
  2. Step 2: Convert to fraction form
    27,322.78/40,949.61 = 13,286.02/x
  3. Step 3: Cross multiply
    27,322.78x = 40,949.61 × 13,286.02
  4. Step 4: Simplify right side
    27,322.78x = 544,057,337.45
  5. Step 5: Solve for x
    x = 544,057,337.45/27,322.78
  6. Step 6: Final answer
    x = 19,912.22

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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.