Home / 26,631.27-39,915.14-12,380.49

Finding the Fourth Proportional to 26,631.27, 39,915.14 and 12,380.49

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Solution

The fourth proportional to 26,631.27, 39,915.14 and 12,380.49 is: 18,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.27 : 39,915.14 = 12,380.49 : x
  2. Step 2: Convert to fraction form
    26,631.27/39,915.14 = 12,380.49/x
  3. Step 3: Cross multiply
    26,631.27x = 39,915.14 × 12,380.49
  4. Step 4: Simplify right side
    26,631.27x = 494,168,929.72
  5. Step 5: Solve for x
    x = 494,168,929.72/26,631.27
  6. Step 6: Final answer
    x = 18,555.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.