Home / 27,081.81-40,622.72-11,489.31

Finding the Fourth Proportional to 27,081.81, 40,622.72 and 11,489.31

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Solution

The fourth proportional to 27,081.81, 40,622.72 and 11,489.31 is: 17,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.81 : 40,622.72 = 11,489.31 : x
  2. Step 2: Convert to fraction form
    27,081.81/40,622.72 = 11,489.31/x
  3. Step 3: Cross multiply
    27,081.81x = 40,622.72 × 11,489.31
  4. Step 4: Simplify right side
    27,081.81x = 466,726,965.68
  5. Step 5: Solve for x
    x = 466,726,965.68/27,081.81
  6. Step 6: Final answer
    x = 17,233.97

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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.