Home / 21,775.26-30,049.84-12,344.42

Finding the Fourth Proportional to 21,775.26, 30,049.84 and 12,344.42

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Solution

The fourth proportional to 21,775.26, 30,049.84 and 12,344.42 is: 17,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.26 : 30,049.84 = 12,344.42 : x
  2. Step 2: Convert to fraction form
    21,775.26/30,049.84 = 12,344.42/x
  3. Step 3: Cross multiply
    21,775.26x = 30,049.84 × 12,344.42
  4. Step 4: Simplify right side
    21,775.26x = 370,947,845.89
  5. Step 5: Solve for x
    x = 370,947,845.89/21,775.26
  6. Step 6: Final answer
    x = 17,035.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.