Home / 27,072.47-40,612.52-8,354.03

Finding the Fourth Proportional to 27,072.47, 40,612.52 and 8,354.03

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Solution

The fourth proportional to 27,072.47, 40,612.52 and 8,354.03 is: 12,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.47 : 40,612.52 = 8,354.03 : x
  2. Step 2: Convert to fraction form
    27,072.47/40,612.52 = 8,354.03/x
  3. Step 3: Cross multiply
    27,072.47x = 40,612.52 × 8,354.03
  4. Step 4: Simplify right side
    27,072.47x = 339,277,965.62
  5. Step 5: Solve for x
    x = 339,277,965.62/27,072.47
  6. Step 6: Final answer
    x = 12,532.21

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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.