Home / 20,019.80-27,626.91-11,067.68

Finding the Fourth Proportional to 20,019.80, 27,626.91 and 11,067.68

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Solution

The fourth proportional to 20,019.80, 27,626.91 and 11,067.68 is: 15,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.80 : 27,626.91 = 11,067.68 : x
  2. Step 2: Convert to fraction form
    20,019.80/27,626.91 = 11,067.68/x
  3. Step 3: Cross multiply
    20,019.80x = 27,626.91 × 11,067.68
  4. Step 4: Simplify right side
    20,019.80x = 305,765,661.13
  5. Step 5: Solve for x
    x = 305,765,661.13/20,019.80
  6. Step 6: Final answer
    x = 15,273.17

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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.