Home / 18,023.70-27,170.76-16,819.50

Finding the Fourth Proportional to 18,023.70, 27,170.76 and 16,819.50

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Solution

The fourth proportional to 18,023.70, 27,170.76 and 16,819.50 is: 25,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.70 : 27,170.76 = 16,819.50 : x
  2. Step 2: Convert to fraction form
    18,023.70/27,170.76 = 16,819.50/x
  3. Step 3: Cross multiply
    18,023.70x = 27,170.76 × 16,819.50
  4. Step 4: Simplify right side
    18,023.70x = 456,998,597.82
  5. Step 5: Solve for x
    x = 456,998,597.82/18,023.70
  6. Step 6: Final answer
    x = 25,355.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.