Home / 21,757.55-32,620.37-6,957.95

Finding the Fourth Proportional to 21,757.55, 32,620.37 and 6,957.95

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Solution

The fourth proportional to 21,757.55, 32,620.37 and 6,957.95 is: 10,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.55 : 32,620.37 = 6,957.95 : x
  2. Step 2: Convert to fraction form
    21,757.55/32,620.37 = 6,957.95/x
  3. Step 3: Cross multiply
    21,757.55x = 32,620.37 × 6,957.95
  4. Step 4: Simplify right side
    21,757.55x = 226,970,705.55
  5. Step 5: Solve for x
    x = 226,970,705.55/21,757.55
  6. Step 6: Final answer
    x = 10,431.82

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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.