Home / 27,719.79-41,609.29-11,932.64

Finding the Fourth Proportional to 27,719.79, 41,609.29 and 11,932.64

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Solution

The fourth proportional to 27,719.79, 41,609.29 and 11,932.64 is: 17,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.79 : 41,609.29 = 11,932.64 : x
  2. Step 2: Convert to fraction form
    27,719.79/41,609.29 = 11,932.64/x
  3. Step 3: Cross multiply
    27,719.79x = 41,609.29 × 11,932.64
  4. Step 4: Simplify right side
    27,719.79x = 496,508,678.23
  5. Step 5: Solve for x
    x = 496,508,678.23/27,719.79
  6. Step 6: Final answer
    x = 17,911.70

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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.