Home / 27,611.20-38,103.17-15,035.95

Finding the Fourth Proportional to 27,611.20, 38,103.17 and 15,035.95

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Solution

The fourth proportional to 27,611.20, 38,103.17 and 15,035.95 is: 20,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.20 : 38,103.17 = 15,035.95 : x
  2. Step 2: Convert to fraction form
    27,611.20/38,103.17 = 15,035.95/x
  3. Step 3: Cross multiply
    27,611.20x = 38,103.17 × 15,035.95
  4. Step 4: Simplify right side
    27,611.20x = 572,917,358.96
  5. Step 5: Solve for x
    x = 572,917,358.96/27,611.20
  6. Step 6: Final answer
    x = 20,749.46

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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.