Home / 27,830.45-41,647.13-17,305.43

Finding the Fourth Proportional to 27,830.45, 41,647.13 and 17,305.43

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Solution

The fourth proportional to 27,830.45, 41,647.13 and 17,305.43 is: 25,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.45 : 41,647.13 = 17,305.43 : x
  2. Step 2: Convert to fraction form
    27,830.45/41,647.13 = 17,305.43/x
  3. Step 3: Cross multiply
    27,830.45x = 41,647.13 × 17,305.43
  4. Step 4: Simplify right side
    27,830.45x = 720,721,358.12
  5. Step 5: Solve for x
    x = 720,721,358.12/27,830.45
  6. Step 6: Final answer
    x = 25,896.86

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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.