Home / 27,345.48-41,016.30-15,621.96

Finding the Fourth Proportional to 27,345.48, 41,016.30 and 15,621.96

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Solution

The fourth proportional to 27,345.48, 41,016.30 and 15,621.96 is: 23,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.48 : 41,016.30 = 15,621.96 : x
  2. Step 2: Convert to fraction form
    27,345.48/41,016.30 = 15,621.96/x
  3. Step 3: Cross multiply
    27,345.48x = 41,016.30 × 15,621.96
  4. Step 4: Simplify right side
    27,345.48x = 640,754,997.95
  5. Step 5: Solve for x
    x = 640,754,997.95/27,345.48
  6. Step 6: Final answer
    x = 23,431.84

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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.