Home / 20,015.22-27,600.33-17,191.97

Finding the Fourth Proportional to 20,015.22, 27,600.33 and 17,191.97

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Solution

The fourth proportional to 20,015.22, 27,600.33 and 17,191.97 is: 23,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.22 : 27,600.33 = 17,191.97 : x
  2. Step 2: Convert to fraction form
    20,015.22/27,600.33 = 17,191.97/x
  3. Step 3: Cross multiply
    20,015.22x = 27,600.33 × 17,191.97
  4. Step 4: Simplify right side
    20,015.22x = 474,504,045.35
  5. Step 5: Solve for x
    x = 474,504,045.35/20,015.22
  6. Step 6: Final answer
    x = 23,707.16

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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.