Home / 27,882.26-38,477.04-15,306.92

Finding the Fourth Proportional to 27,882.26, 38,477.04 and 15,306.92

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Solution

The fourth proportional to 27,882.26, 38,477.04 and 15,306.92 is: 21,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.26 : 38,477.04 = 15,306.92 : x
  2. Step 2: Convert to fraction form
    27,882.26/38,477.04 = 15,306.92/x
  3. Step 3: Cross multiply
    27,882.26x = 38,477.04 × 15,306.92
  4. Step 4: Simplify right side
    27,882.26x = 588,964,973.12
  5. Step 5: Solve for x
    x = 588,964,973.12/27,882.26
  6. Step 6: Final answer
    x = 21,123.29

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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.