Home / 28,794.20-39,735.96-16,219.04

Finding the Fourth Proportional to 28,794.20, 39,735.96 and 16,219.04

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Solution

The fourth proportional to 28,794.20, 39,735.96 and 16,219.04 is: 22,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.20 : 39,735.96 = 16,219.04 : x
  2. Step 2: Convert to fraction form
    28,794.20/39,735.96 = 16,219.04/x
  3. Step 3: Cross multiply
    28,794.20x = 39,735.96 × 16,219.04
  4. Step 4: Simplify right side
    28,794.20x = 644,479,124.68
  5. Step 5: Solve for x
    x = 644,479,124.68/28,794.20
  6. Step 6: Final answer
    x = 22,382.25

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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.