Home / 20,621.44-30,884.04-15,061

Finding the Fourth Proportional to 20,621.44, 30,884.04 and 15,061

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Solution

The fourth proportional to 20,621.44, 30,884.04 and 15,061 is: 22,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621.44 : 30,884.04 = 15,061 : x
  2. Step 2: Convert to fraction form
    20,621.44/30,884.04 = 15,061/x
  3. Step 3: Cross multiply
    20,621.44x = 30,884.04 × 15,061
  4. Step 4: Simplify right side
    20,621.44x = 465,144,526.44
  5. Step 5: Solve for x
    x = 465,144,526.44/20,621.44
  6. Step 6: Final answer
    x = 22,556.36

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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.