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Finding the Fourth Proportional to 17,596.70, 26,361.90 and 8,701.58

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Solution

The fourth proportional to 17,596.70, 26,361.90 and 8,701.58 is: 13,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,596.70 : 26,361.90 = 8,701.58 : x
  2. Step 2: Convert to fraction form
    17,596.70/26,361.90 = 8,701.58/x
  3. Step 3: Cross multiply
    17,596.70x = 26,361.90 × 8,701.58
  4. Step 4: Simplify right side
    17,596.70x = 229,390,181.80
  5. Step 5: Solve for x
    x = 229,390,181.80/17,596.70
  6. Step 6: Final answer
    x = 13,035.98

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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.