Home / 21,404.22-31,982.46-15,452.85

Finding the Fourth Proportional to 21,404.22, 31,982.46 and 15,452.85

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Solution

The fourth proportional to 21,404.22, 31,982.46 and 15,452.85 is: 23,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.22 : 31,982.46 = 15,452.85 : x
  2. Step 2: Convert to fraction form
    21,404.22/31,982.46 = 15,452.85/x
  3. Step 3: Cross multiply
    21,404.22x = 31,982.46 × 15,452.85
  4. Step 4: Simplify right side
    21,404.22x = 494,220,157.01
  5. Step 5: Solve for x
    x = 494,220,157.01/21,404.22
  6. Step 6: Final answer
    x = 23,089.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.