Home / 27,939.58-38,556.07-15,192.65

Finding the Fourth Proportional to 27,939.58, 38,556.07 and 15,192.65

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Solution

The fourth proportional to 27,939.58, 38,556.07 and 15,192.65 is: 20,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.58 : 38,556.07 = 15,192.65 : x
  2. Step 2: Convert to fraction form
    27,939.58/38,556.07 = 15,192.65/x
  3. Step 3: Cross multiply
    27,939.58x = 38,556.07 × 15,192.65
  4. Step 4: Simplify right side
    27,939.58x = 585,768,935.29
  5. Step 5: Solve for x
    x = 585,768,935.29/27,939.58
  6. Step 6: Final answer
    x = 20,965.56

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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.