Home / 20,169.09-27,804.49-13,452.27

Finding the Fourth Proportional to 20,169.09, 27,804.49 and 13,452.27

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Solution

The fourth proportional to 20,169.09, 27,804.49 and 13,452.27 is: 18,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.09 : 27,804.49 = 13,452.27 : x
  2. Step 2: Convert to fraction form
    20,169.09/27,804.49 = 13,452.27/x
  3. Step 3: Cross multiply
    20,169.09x = 27,804.49 × 13,452.27
  4. Step 4: Simplify right side
    20,169.09x = 374,033,367.67
  5. Step 5: Solve for x
    x = 374,033,367.67/20,169.09
  6. Step 6: Final answer
    x = 18,544.88

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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.