Home / 27,317.05-40,965.68-9,542.72

Finding the Fourth Proportional to 27,317.05, 40,965.68 and 9,542.72

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Solution

The fourth proportional to 27,317.05, 40,965.68 and 9,542.72 is: 14,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.05 : 40,965.68 = 9,542.72 : x
  2. Step 2: Convert to fraction form
    27,317.05/40,965.68 = 9,542.72/x
  3. Step 3: Cross multiply
    27,317.05x = 40,965.68 × 9,542.72
  4. Step 4: Simplify right side
    27,317.05x = 390,924,013.85
  5. Step 5: Solve for x
    x = 390,924,013.85/27,317.05
  6. Step 6: Final answer
    x = 14,310.62

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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.