Home / 27,809.31-41,719.21-11,170.65

Finding the Fourth Proportional to 27,809.31, 41,719.21 and 11,170.65

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Solution

The fourth proportional to 27,809.31, 41,719.21 and 11,170.65 is: 16,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.31 : 41,719.21 = 11,170.65 : x
  2. Step 2: Convert to fraction form
    27,809.31/41,719.21 = 11,170.65/x
  3. Step 3: Cross multiply
    27,809.31x = 41,719.21 × 11,170.65
  4. Step 4: Simplify right side
    27,809.31x = 466,030,693.19
  5. Step 5: Solve for x
    x = 466,030,693.19/27,809.31
  6. Step 6: Final answer
    x = 16,758.08

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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.