Home / 20,033.92-27,645.76-11,081.28

Finding the Fourth Proportional to 20,033.92, 27,645.76 and 11,081.28

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Solution

The fourth proportional to 20,033.92, 27,645.76 and 11,081.28 is: 15,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.92 : 27,645.76 = 11,081.28 : x
  2. Step 2: Convert to fraction form
    20,033.92/27,645.76 = 11,081.28/x
  3. Step 3: Cross multiply
    20,033.92x = 27,645.76 × 11,081.28
  4. Step 4: Simplify right side
    20,033.92x = 306,350,407.37
  5. Step 5: Solve for x
    x = 306,350,407.37/20,033.92
  6. Step 6: Final answer
    x = 15,291.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.