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Finding the Fourth Proportional to 22,607.28, 33,914.84 and 7,612.97

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Solution

The fourth proportional to 22,607.28, 33,914.84 and 7,612.97 is: 11,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.28 : 33,914.84 = 7,612.97 : x
  2. Step 2: Convert to fraction form
    22,607.28/33,914.84 = 7,612.97/x
  3. Step 3: Cross multiply
    22,607.28x = 33,914.84 × 7,612.97
  4. Step 4: Simplify right side
    22,607.28x = 258,192,451.84
  5. Step 5: Solve for x
    x = 258,192,451.84/22,607.28
  6. Step 6: Final answer
    x = 11,420.77

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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.