Home / 27,590.78-41,388.60-8,872.49

Finding the Fourth Proportional to 27,590.78, 41,388.60 and 8,872.49

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Solution

The fourth proportional to 27,590.78, 41,388.60 and 8,872.49 is: 13,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.78 : 41,388.60 = 8,872.49 : x
  2. Step 2: Convert to fraction form
    27,590.78/41,388.60 = 8,872.49/x
  3. Step 3: Cross multiply
    27,590.78x = 41,388.60 × 8,872.49
  4. Step 4: Simplify right side
    27,590.78x = 367,219,939.61
  5. Step 5: Solve for x
    x = 367,219,939.61/27,590.78
  6. Step 6: Final answer
    x = 13,309.52

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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.