Home / 28,189.25-38,891.50-16,081.03

Finding the Fourth Proportional to 28,189.25, 38,891.50 and 16,081.03

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Solution

The fourth proportional to 28,189.25, 38,891.50 and 16,081.03 is: 22,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.25 : 38,891.50 = 16,081.03 : x
  2. Step 2: Convert to fraction form
    28,189.25/38,891.50 = 16,081.03/x
  3. Step 3: Cross multiply
    28,189.25x = 38,891.50 × 16,081.03
  4. Step 4: Simplify right side
    28,189.25x = 625,415,103.38
  5. Step 5: Solve for x
    x = 625,415,103.38/28,189.25
  6. Step 6: Final answer
    x = 22,186.30

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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.