Home / 20,055.62-27,676.97-11,103.26

Finding the Fourth Proportional to 20,055.62, 27,676.97 and 11,103.26

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Solution

The fourth proportional to 20,055.62, 27,676.97 and 11,103.26 is: 15,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.62 : 27,676.97 = 11,103.26 : x
  2. Step 2: Convert to fraction form
    20,055.62/27,676.97 = 11,103.26/x
  3. Step 3: Cross multiply
    20,055.62x = 27,676.97 × 11,103.26
  4. Step 4: Simplify right side
    20,055.62x = 307,304,400.02
  5. Step 5: Solve for x
    x = 307,304,400.02/20,055.62
  6. Step 6: Final answer
    x = 15,322.61

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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.