Home / 27,922.24-41,859.81-12,115.35

Finding the Fourth Proportional to 27,922.24, 41,859.81 and 12,115.35

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Solution

The fourth proportional to 27,922.24, 41,859.81 and 12,115.35 is: 18,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.24 : 41,859.81 = 12,115.35 : x
  2. Step 2: Convert to fraction form
    27,922.24/41,859.81 = 12,115.35/x
  3. Step 3: Cross multiply
    27,922.24x = 41,859.81 × 12,115.35
  4. Step 4: Simplify right side
    27,922.24x = 507,146,353.65
  5. Step 5: Solve for x
    x = 507,146,353.65/27,922.24
  6. Step 6: Final answer
    x = 18,162.81

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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.