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Finding the Fourth Proportional to 17,409.60, 26,118.60 and 5,722.20

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Solution

The fourth proportional to 17,409.60, 26,118.60 and 5,722.20 is: 8,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.60 : 26,118.60 = 5,722.20 : x
  2. Step 2: Convert to fraction form
    17,409.60/26,118.60 = 5,722.20/x
  3. Step 3: Cross multiply
    17,409.60x = 26,118.60 × 5,722.20
  4. Step 4: Simplify right side
    17,409.60x = 149,455,852.92
  5. Step 5: Solve for x
    x = 149,455,852.92/17,409.60
  6. Step 6: Final answer
    x = 8,584.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.