Home / 20,427.44-30,625.58-10,560.42

Finding the Fourth Proportional to 20,427.44, 30,625.58 and 10,560.42

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Solution

The fourth proportional to 20,427.44, 30,625.58 and 10,560.42 is: 15,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427.44 : 30,625.58 = 10,560.42 : x
  2. Step 2: Convert to fraction form
    20,427.44/30,625.58 = 10,560.42/x
  3. Step 3: Cross multiply
    20,427.44x = 30,625.58 × 10,560.42
  4. Step 4: Simplify right side
    20,427.44x = 323,419,013.94
  5. Step 5: Solve for x
    x = 323,419,013.94/20,427.44
  6. Step 6: Final answer
    x = 15,832.58

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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.