Home / 20,452.97-30,646.44-17,172.47

Finding the Fourth Proportional to 20,452.97, 30,646.44 and 17,172.47

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Solution

The fourth proportional to 20,452.97, 30,646.44 and 17,172.47 is: 25,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.97 : 30,646.44 = 17,172.47 : x
  2. Step 2: Convert to fraction form
    20,452.97/30,646.44 = 17,172.47/x
  3. Step 3: Cross multiply
    20,452.97x = 30,646.44 × 17,172.47
  4. Step 4: Simplify right side
    20,452.97x = 526,275,148.12
  5. Step 5: Solve for x
    x = 526,275,148.12/20,452.97
  6. Step 6: Final answer
    x = 25,730.99

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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.