Home / 27,531.22-37,989.86-16,198.22

Finding the Fourth Proportional to 27,531.22, 37,989.86 and 16,198.22

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Solution

The fourth proportional to 27,531.22, 37,989.86 and 16,198.22 is: 22,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.22 : 37,989.86 = 16,198.22 : x
  2. Step 2: Convert to fraction form
    27,531.22/37,989.86 = 16,198.22/x
  3. Step 3: Cross multiply
    27,531.22x = 37,989.86 × 16,198.22
  4. Step 4: Simplify right side
    27,531.22x = 615,368,110.05
  5. Step 5: Solve for x
    x = 615,368,110.05/27,531.22
  6. Step 6: Final answer
    x = 22,351.65

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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.