Home / 27,885.12-41,823.84-7,107.36

Finding the Fourth Proportional to 27,885.12, 41,823.84 and 7,107.36

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Solution

The fourth proportional to 27,885.12, 41,823.84 and 7,107.36 is: 10,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.12 : 41,823.84 = 7,107.36 : x
  2. Step 2: Convert to fraction form
    27,885.12/41,823.84 = 7,107.36/x
  3. Step 3: Cross multiply
    27,885.12x = 41,823.84 × 7,107.36
  4. Step 4: Simplify right side
    27,885.12x = 297,257,087.46
  5. Step 5: Solve for x
    x = 297,257,087.46/27,885.12
  6. Step 6: Final answer
    x = 10,660.06

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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.