Home / 27,988.76-41,949.11-13,180.34

Finding the Fourth Proportional to 27,988.76, 41,949.11 and 13,180.34

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Solution

The fourth proportional to 27,988.76, 41,949.11 and 13,180.34 is: 19,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.76 : 41,949.11 = 13,180.34 : x
  2. Step 2: Convert to fraction form
    27,988.76/41,949.11 = 13,180.34/x
  3. Step 3: Cross multiply
    27,988.76x = 41,949.11 × 13,180.34
  4. Step 4: Simplify right side
    27,988.76x = 552,903,256.85
  5. Step 5: Solve for x
    x = 552,903,256.85/27,988.76
  6. Step 6: Final answer
    x = 19,754.48

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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.