Home / 20,100.60-27,738.45-11,026

Finding the Fourth Proportional to 20,100.60, 27,738.45 and 11,026

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Solution

The fourth proportional to 20,100.60, 27,738.45 and 11,026 is: 15,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.60 : 27,738.45 = 11,026 : x
  2. Step 2: Convert to fraction form
    20,100.60/27,738.45 = 11,026/x
  3. Step 3: Cross multiply
    20,100.60x = 27,738.45 × 11,026
  4. Step 4: Simplify right side
    20,100.60x = 305,844,149.70
  5. Step 5: Solve for x
    x = 305,844,149.70/20,100.60
  6. Step 6: Final answer
    x = 15,215.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.