Home / 28,177.83-38,889.09-16,082.55

Finding the Fourth Proportional to 28,177.83, 38,889.09 and 16,082.55

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Solution

The fourth proportional to 28,177.83, 38,889.09 and 16,082.55 is: 22,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.83 : 38,889.09 = 16,082.55 : x
  2. Step 2: Convert to fraction form
    28,177.83/38,889.09 = 16,082.55/x
  3. Step 3: Cross multiply
    28,177.83x = 38,889.09 × 16,082.55
  4. Step 4: Simplify right side
    28,177.83x = 625,435,734.38
  5. Step 5: Solve for x
    x = 625,435,734.38/28,177.83
  6. Step 6: Final answer
    x = 22,196.02

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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.