Home / 18,028.55-27,044.18-4,880.70

Finding the Fourth Proportional to 18,028.55, 27,044.18 and 4,880.70

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Solution

The fourth proportional to 18,028.55, 27,044.18 and 4,880.70 is: 7,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.55 : 27,044.18 = 4,880.70 : x
  2. Step 2: Convert to fraction form
    18,028.55/27,044.18 = 4,880.70/x
  3. Step 3: Cross multiply
    18,028.55x = 27,044.18 × 4,880.70
  4. Step 4: Simplify right side
    18,028.55x = 131,994,529.33
  5. Step 5: Solve for x
    x = 131,994,529.33/18,028.55
  6. Step 6: Final answer
    x = 7,321.42

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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.