Home / 27,021.75-40,521.75-11,216.03

Finding the Fourth Proportional to 27,021.75, 40,521.75 and 11,216.03

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Solution

The fourth proportional to 27,021.75, 40,521.75 and 11,216.03 is: 16,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.75 : 40,521.75 = 11,216.03 : x
  2. Step 2: Convert to fraction form
    27,021.75/40,521.75 = 11,216.03/x
  3. Step 3: Cross multiply
    27,021.75x = 40,521.75 × 11,216.03
  4. Step 4: Simplify right side
    27,021.75x = 454,492,961.04
  5. Step 5: Solve for x
    x = 454,492,961.04/27,021.75
  6. Step 6: Final answer
    x = 16,819.52

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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.