Home / 28,250.80-42,383.05-8,528.18

Finding the Fourth Proportional to 28,250.80, 42,383.05 and 8,528.18

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Solution

The fourth proportional to 28,250.80, 42,383.05 and 8,528.18 is: 12,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.80 : 42,383.05 = 8,528.18 : x
  2. Step 2: Convert to fraction form
    28,250.80/42,383.05 = 8,528.18/x
  3. Step 3: Cross multiply
    28,250.80x = 42,383.05 × 8,528.18
  4. Step 4: Simplify right side
    28,250.80x = 361,450,046.11
  5. Step 5: Solve for x
    x = 361,450,046.11/28,250.80
  6. Step 6: Final answer
    x = 12,794.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.