Home / 19,945.26-27,524.31-10,992.78

Finding the Fourth Proportional to 19,945.26, 27,524.31 and 10,992.78

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Solution

The fourth proportional to 19,945.26, 27,524.31 and 10,992.78 is: 15,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.26 : 27,524.31 = 10,992.78 : x
  2. Step 2: Convert to fraction form
    19,945.26/27,524.31 = 10,992.78/x
  3. Step 3: Cross multiply
    19,945.26x = 27,524.31 × 10,992.78
  4. Step 4: Simplify right side
    19,945.26x = 302,568,684.48
  5. Step 5: Solve for x
    x = 302,568,684.48/19,945.26
  6. Step 6: Final answer
    x = 15,169.95

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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.