Home / 20,453.97-30,647.94-17,173.47

Finding the Fourth Proportional to 20,453.97, 30,647.94 and 17,173.47

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Solution

The fourth proportional to 20,453.97, 30,647.94 and 17,173.47 is: 25,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.97 : 30,647.94 = 17,173.47 : x
  2. Step 2: Convert to fraction form
    20,453.97/30,647.94 = 17,173.47/x
  3. Step 3: Cross multiply
    20,453.97x = 30,647.94 × 17,173.47
  4. Step 4: Simplify right side
    20,453.97x = 526,331,478.15
  5. Step 5: Solve for x
    x = 526,331,478.15/20,453.97
  6. Step 6: Final answer
    x = 25,732.49

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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.