Home / 21,550.25-32,325.31-6,760.28

Finding the Fourth Proportional to 21,550.25, 32,325.31 and 6,760.28

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Solution

The fourth proportional to 21,550.25, 32,325.31 and 6,760.28 is: 10,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.25 : 32,325.31 = 6,760.28 : x
  2. Step 2: Convert to fraction form
    21,550.25/32,325.31 = 6,760.28/x
  3. Step 3: Cross multiply
    21,550.25x = 32,325.31 × 6,760.28
  4. Step 4: Simplify right side
    21,550.25x = 218,527,951.26
  5. Step 5: Solve for x
    x = 218,527,951.26/21,550.25
  6. Step 6: Final answer
    x = 10,140.39

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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.