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Finding the Fourth Proportional to 22,680.88, 34,010.52 and 8,641.60

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Solution

The fourth proportional to 22,680.88, 34,010.52 and 8,641.60 is: 12,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.88 : 34,010.52 = 8,641.60 : x
  2. Step 2: Convert to fraction form
    22,680.88/34,010.52 = 8,641.60/x
  3. Step 3: Cross multiply
    22,680.88x = 34,010.52 × 8,641.60
  4. Step 4: Simplify right side
    22,680.88x = 293,905,309.63
  5. Step 5: Solve for x
    x = 293,905,309.63/22,680.88
  6. Step 6: Final answer
    x = 12,958.29

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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.