Home / 27,610.70-38,103.20-15,035.44

Finding the Fourth Proportional to 27,610.70, 38,103.20 and 15,035.44

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Solution

The fourth proportional to 27,610.70, 38,103.20 and 15,035.44 is: 20,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.70 : 38,103.20 = 15,035.44 : x
  2. Step 2: Convert to fraction form
    27,610.70/38,103.20 = 15,035.44/x
  3. Step 3: Cross multiply
    27,610.70x = 38,103.20 × 15,035.44
  4. Step 4: Simplify right side
    27,610.70x = 572,898,377.41
  5. Step 5: Solve for x
    x = 572,898,377.41/27,610.70
  6. Step 6: Final answer
    x = 20,749.14

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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.