Home / 17,351.20-26,020.40-5,664.80

Finding the Fourth Proportional to 17,351.20, 26,020.40 and 5,664.80

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Solution

The fourth proportional to 17,351.20, 26,020.40 and 5,664.80 is: 8,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.20 : 26,020.40 = 5,664.80 : x
  2. Step 2: Convert to fraction form
    17,351.20/26,020.40 = 5,664.80/x
  3. Step 3: Cross multiply
    17,351.20x = 26,020.40 × 5,664.80
  4. Step 4: Simplify right side
    17,351.20x = 147,400,361.92
  5. Step 5: Solve for x
    x = 147,400,361.92/17,351.20
  6. Step 6: Final answer
    x = 8,495.11

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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.