Home / 17,216.40-25,828.20-5,530.80

Finding the Fourth Proportional to 17,216.40, 25,828.20 and 5,530.80

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Solution

The fourth proportional to 17,216.40, 25,828.20 and 5,530.80 is: 8,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.40 : 25,828.20 = 5,530.80 : x
  2. Step 2: Convert to fraction form
    17,216.40/25,828.20 = 5,530.80/x
  3. Step 3: Cross multiply
    17,216.40x = 25,828.20 × 5,530.80
  4. Step 4: Simplify right side
    17,216.40x = 142,850,608.56
  5. Step 5: Solve for x
    x = 142,850,608.56/17,216.40
  6. Step 6: Final answer
    x = 8,297.36

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1.5x scale

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.