Home / 27,198.78-40,802.28-9,664.44

Finding the Fourth Proportional to 27,198.78, 40,802.28 and 9,664.44

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Solution

The fourth proportional to 27,198.78, 40,802.28 and 9,664.44 is: 14,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.78 : 40,802.28 = 9,664.44 : x
  2. Step 2: Convert to fraction form
    27,198.78/40,802.28 = 9,664.44/x
  3. Step 3: Cross multiply
    27,198.78x = 40,802.28 × 9,664.44
  4. Step 4: Simplify right side
    27,198.78x = 394,331,186.92
  5. Step 5: Solve for x
    x = 394,331,186.92/27,198.78
  6. Step 6: Final answer
    x = 14,498.12

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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.