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Finding the Fourth Proportional to 17,702.29, 26,554.80 and 4,554.79

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Solution

The fourth proportional to 17,702.29, 26,554.80 and 4,554.79 is: 6,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.29 : 26,554.80 = 4,554.79 : x
  2. Step 2: Convert to fraction form
    17,702.29/26,554.80 = 4,554.79/x
  3. Step 3: Cross multiply
    17,702.29x = 26,554.80 × 4,554.79
  4. Step 4: Simplify right side
    17,702.29x = 120,951,537.49
  5. Step 5: Solve for x
    x = 120,951,537.49/17,702.29
  6. Step 6: Final answer
    x = 6,832.54

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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.