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Finding the Fourth Proportional to 22,376.68, 30,880.02 and 12,304.87

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Solution

The fourth proportional to 22,376.68, 30,880.02 and 12,304.87 is: 16,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.68 : 30,880.02 = 12,304.87 : x
  2. Step 2: Convert to fraction form
    22,376.68/30,880.02 = 12,304.87/x
  3. Step 3: Cross multiply
    22,376.68x = 30,880.02 × 12,304.87
  4. Step 4: Simplify right side
    22,376.68x = 379,974,631.70
  5. Step 5: Solve for x
    x = 379,974,631.70/22,376.68
  6. Step 6: Final answer
    x = 16,980.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.