Home / 18,028.08-27,042.66-4,880.52

Finding the Fourth Proportional to 18,028.08, 27,042.66 and 4,880.52

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Solution

The fourth proportional to 18,028.08, 27,042.66 and 4,880.52 is: 7,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.08 : 27,042.66 = 4,880.52 : x
  2. Step 2: Convert to fraction form
    18,028.08/27,042.66 = 4,880.52/x
  3. Step 3: Cross multiply
    18,028.08x = 27,042.66 × 4,880.52
  4. Step 4: Simplify right side
    18,028.08x = 131,982,242.98
  5. Step 5: Solve for x
    x = 131,982,242.98/18,028.08
  6. Step 6: Final answer
    x = 7,320.93

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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.