Home / 20,055.62-27,676.91-11,103.27

Finding the Fourth Proportional to 20,055.62, 27,676.91 and 11,103.27

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Solution

The fourth proportional to 20,055.62, 27,676.91 and 11,103.27 is: 15,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.62 : 27,676.91 = 11,103.27 : x
  2. Step 2: Convert to fraction form
    20,055.62/27,676.91 = 11,103.27/x
  3. Step 3: Cross multiply
    20,055.62x = 27,676.91 × 11,103.27
  4. Step 4: Simplify right side
    20,055.62x = 307,304,128.47
  5. Step 5: Solve for x
    x = 307,304,128.47/20,055.62
  6. Step 6: Final answer
    x = 15,322.59

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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.