Home / 27,375.48-37,778.76-16,620.66

Finding the Fourth Proportional to 27,375.48, 37,778.76 and 16,620.66

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Solution

The fourth proportional to 27,375.48, 37,778.76 and 16,620.66 is: 22,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.48 : 37,778.76 = 16,620.66 : x
  2. Step 2: Convert to fraction form
    27,375.48/37,778.76 = 16,620.66/x
  3. Step 3: Cross multiply
    27,375.48x = 37,778.76 × 16,620.66
  4. Step 4: Simplify right side
    27,375.48x = 627,907,925.18
  5. Step 5: Solve for x
    x = 627,907,925.18/27,375.48
  6. Step 6: Final answer
    x = 22,936.87

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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.