Home / 27,891.09-41,823-19,461.65

Finding the Fourth Proportional to 27,891.09, 41,823 and 19,461.65

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Solution

The fourth proportional to 27,891.09, 41,823 and 19,461.65 is: 29,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.09 : 41,823 = 19,461.65 : x
  2. Step 2: Convert to fraction form
    27,891.09/41,823 = 19,461.65/x
  3. Step 3: Cross multiply
    27,891.09x = 41,823 × 19,461.65
  4. Step 4: Simplify right side
    27,891.09x = 813,944,378.84
  5. Step 5: Solve for x
    x = 813,944,378.84/27,891.09
  6. Step 6: Final answer
    x = 29,182.95

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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.