Home / 27,853.24-41,782.32-7,862.90

Finding the Fourth Proportional to 27,853.24, 41,782.32 and 7,862.90

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Solution

The fourth proportional to 27,853.24, 41,782.32 and 7,862.90 is: 11,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.24 : 41,782.32 = 7,862.90 : x
  2. Step 2: Convert to fraction form
    27,853.24/41,782.32 = 7,862.90/x
  3. Step 3: Cross multiply
    27,853.24x = 41,782.32 × 7,862.90
  4. Step 4: Simplify right side
    27,853.24x = 328,530,203.93
  5. Step 5: Solve for x
    x = 328,530,203.93/27,853.24
  6. Step 6: Final answer
    x = 11,795.04

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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.