Home / 27,661.64-38,172.57-16,177.66

Finding the Fourth Proportional to 27,661.64, 38,172.57 and 16,177.66

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Solution

The fourth proportional to 27,661.64, 38,172.57 and 16,177.66 is: 22,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.64 : 38,172.57 = 16,177.66 : x
  2. Step 2: Convert to fraction form
    27,661.64/38,172.57 = 16,177.66/x
  3. Step 3: Cross multiply
    27,661.64x = 38,172.57 × 16,177.66
  4. Step 4: Simplify right side
    27,661.64x = 617,542,702.69
  5. Step 5: Solve for x
    x = 617,542,702.69/27,661.64
  6. Step 6: Final answer
    x = 22,324.88

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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.