Home / 20,034.90-27,645.71-11,081.16

Finding the Fourth Proportional to 20,034.90, 27,645.71 and 11,081.16

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Solution

The fourth proportional to 20,034.90, 27,645.71 and 11,081.16 is: 15,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.90 : 27,645.71 = 11,081.16 : x
  2. Step 2: Convert to fraction form
    20,034.90/27,645.71 = 11,081.16/x
  3. Step 3: Cross multiply
    20,034.90x = 27,645.71 × 11,081.16
  4. Step 4: Simplify right side
    20,034.90x = 306,346,480.42
  5. Step 5: Solve for x
    x = 306,346,480.42/20,034.90
  6. Step 6: Final answer
    x = 15,290.64

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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.