Home / 20,033.80-27,645.71-11,081.07

Finding the Fourth Proportional to 20,033.80, 27,645.71 and 11,081.07

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Solution

The fourth proportional to 20,033.80, 27,645.71 and 11,081.07 is: 15,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.80 : 27,645.71 = 11,081.07 : x
  2. Step 2: Convert to fraction form
    20,033.80/27,645.71 = 11,081.07/x
  3. Step 3: Cross multiply
    20,033.80x = 27,645.71 × 11,081.07
  4. Step 4: Simplify right side
    20,033.80x = 306,343,992.30
  5. Step 5: Solve for x
    x = 306,343,992.30/20,033.80
  6. Step 6: Final answer
    x = 15,291.36

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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.