Home / 27,813.19-41,719.78-18,471.45

Finding the Fourth Proportional to 27,813.19, 41,719.78 and 18,471.45

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Solution

The fourth proportional to 27,813.19, 41,719.78 and 18,471.45 is: 27,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.19 : 41,719.78 = 18,471.45 : x
  2. Step 2: Convert to fraction form
    27,813.19/41,719.78 = 18,471.45/x
  3. Step 3: Cross multiply
    27,813.19x = 41,719.78 × 18,471.45
  4. Step 4: Simplify right side
    27,813.19x = 770,625,044.45
  5. Step 5: Solve for x
    x = 770,625,044.45/27,813.19
  6. Step 6: Final answer
    x = 27,707.18

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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.