Home / 18,028.21-27,043.27-5,556.80

Finding the Fourth Proportional to 18,028.21, 27,043.27 and 5,556.80

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Solution

The fourth proportional to 18,028.21, 27,043.27 and 5,556.80 is: 8,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.21 : 27,043.27 = 5,556.80 : x
  2. Step 2: Convert to fraction form
    18,028.21/27,043.27 = 5,556.80/x
  3. Step 3: Cross multiply
    18,028.21x = 27,043.27 × 5,556.80
  4. Step 4: Simplify right side
    18,028.21x = 150,274,042.74
  5. Step 5: Solve for x
    x = 150,274,042.74/18,028.21
  6. Step 6: Final answer
    x = 8,335.49

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1.5x scale

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.