Home / 28,829.20-39,786.24-16,084.68

Finding the Fourth Proportional to 28,829.20, 39,786.24 and 16,084.68

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Solution

The fourth proportional to 28,829.20, 39,786.24 and 16,084.68 is: 22,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.20 : 39,786.24 = 16,084.68 : x
  2. Step 2: Convert to fraction form
    28,829.20/39,786.24 = 16,084.68/x
  3. Step 3: Cross multiply
    28,829.20x = 39,786.24 × 16,084.68
  4. Step 4: Simplify right side
    28,829.20x = 639,948,938.80
  5. Step 5: Solve for x
    x = 639,948,938.80/28,829.20
  6. Step 6: Final answer
    x = 22,197.94

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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.