Home / 27,679.50-38,197.58-15,104.26

Finding the Fourth Proportional to 27,679.50, 38,197.58 and 15,104.26

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Solution

The fourth proportional to 27,679.50, 38,197.58 and 15,104.26 is: 20,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.50 : 38,197.58 = 15,104.26 : x
  2. Step 2: Convert to fraction form
    27,679.50/38,197.58 = 15,104.26/x
  3. Step 3: Cross multiply
    27,679.50x = 38,197.58 × 15,104.26
  4. Step 4: Simplify right side
    27,679.50x = 576,946,179.69
  5. Step 5: Solve for x
    x = 576,946,179.69/27,679.50
  6. Step 6: Final answer
    x = 20,843.81

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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.