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Finding the Fourth Proportional to 22,751.42, 34,125.73 and 8,517.08

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Solution

The fourth proportional to 22,751.42, 34,125.73 and 8,517.08 is: 12,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.42 : 34,125.73 = 8,517.08 : x
  2. Step 2: Convert to fraction form
    22,751.42/34,125.73 = 8,517.08/x
  3. Step 3: Cross multiply
    22,751.42x = 34,125.73 × 8,517.08
  4. Step 4: Simplify right side
    22,751.42x = 290,651,636.49
  5. Step 5: Solve for x
    x = 290,651,636.49/22,751.42
  6. Step 6: Final answer
    x = 12,775.10

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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.