Home / 27,827.89-41,746.70-12,245.11

Finding the Fourth Proportional to 27,827.89, 41,746.70 and 12,245.11

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Solution

The fourth proportional to 27,827.89, 41,746.70 and 12,245.11 is: 18,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.89 : 41,746.70 = 12,245.11 : x
  2. Step 2: Convert to fraction form
    27,827.89/41,746.70 = 12,245.11/x
  3. Step 3: Cross multiply
    27,827.89x = 41,746.70 × 12,245.11
  4. Step 4: Simplify right side
    27,827.89x = 511,192,933.64
  5. Step 5: Solve for x
    x = 511,192,933.64/27,827.89
  6. Step 6: Final answer
    x = 18,369.81

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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.