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Finding the Fourth Proportional to 18,028.04, 27,041.04 and 4,879.44

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Solution

The fourth proportional to 18,028.04, 27,041.04 and 4,879.44 is: 7,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.04 : 27,041.04 = 4,879.44 : x
  2. Step 2: Convert to fraction form
    18,028.04/27,041.04 = 4,879.44/x
  3. Step 3: Cross multiply
    18,028.04x = 27,041.04 × 4,879.44
  4. Step 4: Simplify right side
    18,028.04x = 131,945,132.22
  5. Step 5: Solve for x
    x = 131,945,132.22/18,028.04
  6. Step 6: Final answer
    x = 7,318.89

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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.