Home / 27,078.48-40,634.10-11,496.11

Finding the Fourth Proportional to 27,078.48, 40,634.10 and 11,496.11

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Solution

The fourth proportional to 27,078.48, 40,634.10 and 11,496.11 is: 17,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.48 : 40,634.10 = 11,496.11 : x
  2. Step 2: Convert to fraction form
    27,078.48/40,634.10 = 11,496.11/x
  3. Step 3: Cross multiply
    27,078.48x = 40,634.10 × 11,496.11
  4. Step 4: Simplify right side
    27,078.48x = 467,133,880.18
  5. Step 5: Solve for x
    x = 467,133,880.18/27,078.48
  6. Step 6: Final answer
    x = 17,251.11

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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.