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Finding the Fourth Proportional to 27,886.54, 41,826.74 and 8,165.29

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Solution

The fourth proportional to 27,886.54, 41,826.74 and 8,165.29 is: 12,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.54 : 41,826.74 = 8,165.29 : x
  2. Step 2: Convert to fraction form
    27,886.54/41,826.74 = 8,165.29/x
  3. Step 3: Cross multiply
    27,886.54x = 41,826.74 × 8,165.29
  4. Step 4: Simplify right side
    27,886.54x = 341,527,252.72
  5. Step 5: Solve for x
    x = 341,527,252.72/27,886.54
  6. Step 6: Final answer
    x = 12,247.03

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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.