Home / 27,957.99-41,956.43-18,072.75

Finding the Fourth Proportional to 27,957.99, 41,956.43 and 18,072.75

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Solution

The fourth proportional to 27,957.99, 41,956.43 and 18,072.75 is: 27,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.99 : 41,956.43 = 18,072.75 : x
  2. Step 2: Convert to fraction form
    27,957.99/41,956.43 = 18,072.75/x
  3. Step 3: Cross multiply
    27,957.99x = 41,956.43 × 18,072.75
  4. Step 4: Simplify right side
    27,957.99x = 758,268,070.28
  5. Step 5: Solve for x
    x = 758,268,070.28/27,957.99
  6. Step 6: Final answer
    x = 27,121.69

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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.