Home / 21,550.20-32,325.31-6,760.28

Finding the Fourth Proportional to 21,550.20, 32,325.31 and 6,760.28

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Solution

The fourth proportional to 21,550.20, 32,325.31 and 6,760.28 is: 10,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.20 : 32,325.31 = 6,760.28 : x
  2. Step 2: Convert to fraction form
    21,550.20/32,325.31 = 6,760.28/x
  3. Step 3: Cross multiply
    21,550.20x = 32,325.31 × 6,760.28
  4. Step 4: Simplify right side
    21,550.20x = 218,528,054.12
  5. Step 5: Solve for x
    x = 218,528,054.12/21,550.20
  6. Step 6: Final answer
    x = 10,140.42

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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.