Home / 28,764.33-39,694.69-16,189.08

Finding the Fourth Proportional to 28,764.33, 39,694.69 and 16,189.08

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Solution

The fourth proportional to 28,764.33, 39,694.69 and 16,189.08 is: 22,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.33 : 39,694.69 = 16,189.08 : x
  2. Step 2: Convert to fraction form
    28,764.33/39,694.69 = 16,189.08/x
  3. Step 3: Cross multiply
    28,764.33x = 39,694.69 × 16,189.08
  4. Step 4: Simplify right side
    28,764.33x = 642,620,511.99
  5. Step 5: Solve for x
    x = 642,620,511.99/28,764.33
  6. Step 6: Final answer
    x = 22,340.88

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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.