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Finding the Fourth Proportional to 17,828.54, 26,751 and 6,739.08

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Solution

The fourth proportional to 17,828.54, 26,751 and 6,739.08 is: 10,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.54 : 26,751 = 6,739.08 : x
  2. Step 2: Convert to fraction form
    17,828.54/26,751 = 6,739.08/x
  3. Step 3: Cross multiply
    17,828.54x = 26,751 × 6,739.08
  4. Step 4: Simplify right side
    17,828.54x = 180,277,129.08
  5. Step 5: Solve for x
    x = 180,277,129.08/17,828.54
  6. Step 6: Final answer
    x = 10,111.72

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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.