Home / 27,098.15-40,635.68-19,640.48

Finding the Fourth Proportional to 27,098.15, 40,635.68 and 19,640.48

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Solution

The fourth proportional to 27,098.15, 40,635.68 and 19,640.48 is: 29,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.15 : 40,635.68 = 19,640.48 : x
  2. Step 2: Convert to fraction form
    27,098.15/40,635.68 = 19,640.48/x
  3. Step 3: Cross multiply
    27,098.15x = 40,635.68 × 19,640.48
  4. Step 4: Simplify right side
    27,098.15x = 798,103,958.95
  5. Step 5: Solve for x
    x = 798,103,958.95/27,098.15
  6. Step 6: Final answer
    x = 29,452.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.