Home / 20,021.29-27,626.94-11,067.55

Finding the Fourth Proportional to 20,021.29, 27,626.94 and 11,067.55

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Solution

The fourth proportional to 20,021.29, 27,626.94 and 11,067.55 is: 15,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.29 : 27,626.94 = 11,067.55 : x
  2. Step 2: Convert to fraction form
    20,021.29/27,626.94 = 11,067.55/x
  3. Step 3: Cross multiply
    20,021.29x = 27,626.94 × 11,067.55
  4. Step 4: Simplify right side
    20,021.29x = 305,762,539.80
  5. Step 5: Solve for x
    x = 305,762,539.80/20,021.29
  6. Step 6: Final answer
    x = 15,271.87

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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.