Home / 17,940.12-26,909.85-8,072.43

Finding the Fourth Proportional to 17,940.12, 26,909.85 and 8,072.43

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Solution

The fourth proportional to 17,940.12, 26,909.85 and 8,072.43 is: 12,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.12 : 26,909.85 = 8,072.43 : x
  2. Step 2: Convert to fraction form
    17,940.12/26,909.85 = 8,072.43/x
  3. Step 3: Cross multiply
    17,940.12x = 26,909.85 × 8,072.43
  4. Step 4: Simplify right side
    17,940.12x = 217,227,880.44
  5. Step 5: Solve for x
    x = 217,227,880.44/17,940.12
  6. Step 6: Final answer
    x = 12,108.50

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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.