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Finding the Fourth Proportional to 22,466.88, 33,713.28 and 8,625.60

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Solution

The fourth proportional to 22,466.88, 33,713.28 and 8,625.60 is: 12,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,466.88 : 33,713.28 = 8,625.60 : x
  2. Step 2: Convert to fraction form
    22,466.88/33,713.28 = 8,625.60/x
  3. Step 3: Cross multiply
    22,466.88x = 33,713.28 × 8,625.60
  4. Step 4: Simplify right side
    22,466.88x = 290,797,267.97
  5. Step 5: Solve for x
    x = 290,797,267.97/22,466.88
  6. Step 6: Final answer
    x = 12,943.38

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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.