Home / 20,343.63-30,496.20-15,338.23

Finding the Fourth Proportional to 20,343.63, 30,496.20 and 15,338.23

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Solution

The fourth proportional to 20,343.63, 30,496.20 and 15,338.23 is: 22,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.63 : 30,496.20 = 15,338.23 : x
  2. Step 2: Convert to fraction form
    20,343.63/30,496.20 = 15,338.23/x
  3. Step 3: Cross multiply
    20,343.63x = 30,496.20 × 15,338.23
  4. Step 4: Simplify right side
    20,343.63x = 467,757,729.73
  5. Step 5: Solve for x
    x = 467,757,729.73/20,343.63
  6. Step 6: Final answer
    x = 22,992.84

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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.