Home / 20,019.78-27,625.70-11,067.26

Finding the Fourth Proportional to 20,019.78, 27,625.70 and 11,067.26

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Solution

The fourth proportional to 20,019.78, 27,625.70 and 11,067.26 is: 15,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.78 : 27,625.70 = 11,067.26 : x
  2. Step 2: Convert to fraction form
    20,019.78/27,625.70 = 11,067.26/x
  3. Step 3: Cross multiply
    20,019.78x = 27,625.70 × 11,067.26
  4. Step 4: Simplify right side
    20,019.78x = 305,740,804.58
  5. Step 5: Solve for x
    x = 305,740,804.58/20,019.78
  6. Step 6: Final answer
    x = 15,271.94

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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.