Home / 20,019.88-27,627.40-11,067.38

Finding the Fourth Proportional to 20,019.88, 27,627.40 and 11,067.38

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Solution

The fourth proportional to 20,019.88, 27,627.40 and 11,067.38 is: 15,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.88 : 27,627.40 = 11,067.38 : x
  2. Step 2: Convert to fraction form
    20,019.88/27,627.40 = 11,067.38/x
  3. Step 3: Cross multiply
    20,019.88x = 27,627.40 × 11,067.38
  4. Step 4: Simplify right side
    20,019.88x = 305,762,934.21
  5. Step 5: Solve for x
    x = 305,762,934.21/20,019.88
  6. Step 6: Final answer
    x = 15,272.97

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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.