Home / 27,310.32-40,981.38-11,514.36

Finding the Fourth Proportional to 27,310.32, 40,981.38 and 11,514.36

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Solution

The fourth proportional to 27,310.32, 40,981.38 and 11,514.36 is: 17,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.32 : 40,981.38 = 11,514.36 : x
  2. Step 2: Convert to fraction form
    27,310.32/40,981.38 = 11,514.36/x
  3. Step 3: Cross multiply
    27,310.32x = 40,981.38 × 11,514.36
  4. Step 4: Simplify right side
    27,310.32x = 471,874,362.62
  5. Step 5: Solve for x
    x = 471,874,362.62/27,310.32
  6. Step 6: Final answer
    x = 17,278.24

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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.