Home / 27,357.90-41,039.82-8,638.44

Finding the Fourth Proportional to 27,357.90, 41,039.82 and 8,638.44

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Solution

The fourth proportional to 27,357.90, 41,039.82 and 8,638.44 is: 12,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.90 : 41,039.82 = 8,638.44 : x
  2. Step 2: Convert to fraction form
    27,357.90/41,039.82 = 8,638.44/x
  3. Step 3: Cross multiply
    27,357.90x = 41,039.82 × 8,638.44
  4. Step 4: Simplify right side
    27,357.90x = 354,520,022.68
  5. Step 5: Solve for x
    x = 354,520,022.68/27,357.90
  6. Step 6: Final answer
    x = 12,958.60

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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.