Home / 21,632.24-32,503.04-20,757.44

Finding the Fourth Proportional to 21,632.24, 32,503.04 and 20,757.44

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Solution

The fourth proportional to 21,632.24, 32,503.04 and 20,757.44 is: 31,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.24 : 32,503.04 = 20,757.44 : x
  2. Step 2: Convert to fraction form
    21,632.24/32,503.04 = 20,757.44/x
  3. Step 3: Cross multiply
    21,632.24x = 32,503.04 × 20,757.44
  4. Step 4: Simplify right side
    21,632.24x = 674,679,902.62
  5. Step 5: Solve for x
    x = 674,679,902.62/21,632.24
  6. Step 6: Final answer
    x = 31,188.63

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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.