Home / 28,657.97-39,551.64-16,082.72

Finding the Fourth Proportional to 28,657.97, 39,551.64 and 16,082.72

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Solution

The fourth proportional to 28,657.97, 39,551.64 and 16,082.72 is: 22,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.97 : 39,551.64 = 16,082.72 : x
  2. Step 2: Convert to fraction form
    28,657.97/39,551.64 = 16,082.72/x
  3. Step 3: Cross multiply
    28,657.97x = 39,551.64 × 16,082.72
  4. Step 4: Simplify right side
    28,657.97x = 636,097,932.38
  5. Step 5: Solve for x
    x = 636,097,932.38/28,657.97
  6. Step 6: Final answer
    x = 22,196.20

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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.