Home / 18,540.29-27,675.57-17,169.77

Finding the Fourth Proportional to 18,540.29, 27,675.57 and 17,169.77

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Solution

The fourth proportional to 18,540.29, 27,675.57 and 17,169.77 is: 25,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.29 : 27,675.57 = 17,169.77 : x
  2. Step 2: Convert to fraction form
    18,540.29/27,675.57 = 17,169.77/x
  3. Step 3: Cross multiply
    18,540.29x = 27,675.57 × 17,169.77
  4. Step 4: Simplify right side
    18,540.29x = 475,183,305.09
  5. Step 5: Solve for x
    x = 475,183,305.09/18,540.29
  6. Step 6: Final answer
    x = 25,629.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.