Home / 27,643.07-41,431.80-15,932.09

Finding the Fourth Proportional to 27,643.07, 41,431.80 and 15,932.09

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Solution

The fourth proportional to 27,643.07, 41,431.80 and 15,932.09 is: 23,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.07 : 41,431.80 = 15,932.09 : x
  2. Step 2: Convert to fraction form
    27,643.07/41,431.80 = 15,932.09/x
  3. Step 3: Cross multiply
    27,643.07x = 41,431.80 × 15,932.09
  4. Step 4: Simplify right side
    27,643.07x = 660,095,329.79
  5. Step 5: Solve for x
    x = 660,095,329.79/27,643.07
  6. Step 6: Final answer
    x = 23,879.23

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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.