Home / 27,957.72-41,936.52-7,181.28

Finding the Fourth Proportional to 27,957.72, 41,936.52 and 7,181.28

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Solution

The fourth proportional to 27,957.72, 41,936.52 and 7,181.28 is: 10,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.72 : 41,936.52 = 7,181.28 : x
  2. Step 2: Convert to fraction form
    27,957.72/41,936.52 = 7,181.28/x
  3. Step 3: Cross multiply
    27,957.72x = 41,936.52 × 7,181.28
  4. Step 4: Simplify right side
    27,957.72x = 301,157,892.35
  5. Step 5: Solve for x
    x = 301,157,892.35/27,957.72
  6. Step 6: Final answer
    x = 10,771.90

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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.