Home / 27,939.53-38,556.33-15,192.71

Finding the Fourth Proportional to 27,939.53, 38,556.33 and 15,192.71

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Solution

The fourth proportional to 27,939.53, 38,556.33 and 15,192.71 is: 20,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.53 : 38,556.33 = 15,192.71 : x
  2. Step 2: Convert to fraction form
    27,939.53/38,556.33 = 15,192.71/x
  3. Step 3: Cross multiply
    27,939.53x = 38,556.33 × 15,192.71
  4. Step 4: Simplify right side
    27,939.53x = 585,775,274.73
  5. Step 5: Solve for x
    x = 585,775,274.73/27,939.53
  6. Step 6: Final answer
    x = 20,965.83

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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.