Home / 27,859.25-41,795.79-13,825.86

Finding the Fourth Proportional to 27,859.25, 41,795.79 and 13,825.86

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Solution

The fourth proportional to 27,859.25, 41,795.79 and 13,825.86 is: 20,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.25 : 41,795.79 = 13,825.86 : x
  2. Step 2: Convert to fraction form
    27,859.25/41,795.79 = 13,825.86/x
  3. Step 3: Cross multiply
    27,859.25x = 41,795.79 × 13,825.86
  4. Step 4: Simplify right side
    27,859.25x = 577,862,672.00
  5. Step 5: Solve for x
    x = 577,862,672.00/27,859.25
  6. Step 6: Final answer
    x = 20,742.22

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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.