Home / 27,121.29-37,428.77-15,183.92

Finding the Fourth Proportional to 27,121.29, 37,428.77 and 15,183.92

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Solution

The fourth proportional to 27,121.29, 37,428.77 and 15,183.92 is: 20,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.29 : 37,428.77 = 15,183.92 : x
  2. Step 2: Convert to fraction form
    27,121.29/37,428.77 = 15,183.92/x
  3. Step 3: Cross multiply
    27,121.29x = 37,428.77 × 15,183.92
  4. Step 4: Simplify right side
    27,121.29x = 568,315,449.38
  5. Step 5: Solve for x
    x = 568,315,449.38/27,121.29
  6. Step 6: Final answer
    x = 20,954.59

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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.