Home / 28,692.82-39,584.76-16,591.08

Finding the Fourth Proportional to 28,692.82, 39,584.76 and 16,591.08

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Solution

The fourth proportional to 28,692.82, 39,584.76 and 16,591.08 is: 22,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.82 : 39,584.76 = 16,591.08 : x
  2. Step 2: Convert to fraction form
    28,692.82/39,584.76 = 16,591.08/x
  3. Step 3: Cross multiply
    28,692.82x = 39,584.76 × 16,591.08
  4. Step 4: Simplify right side
    28,692.82x = 656,753,920.42
  5. Step 5: Solve for x
    x = 656,753,920.42/28,692.82
  6. Step 6: Final answer
    x = 22,889.14

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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.