Home / 20,362.25-30,682.09-16,745.49

Finding the Fourth Proportional to 20,362.25, 30,682.09 and 16,745.49

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Solution

The fourth proportional to 20,362.25, 30,682.09 and 16,745.49 is: 25,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.25 : 30,682.09 = 16,745.49 : x
  2. Step 2: Convert to fraction form
    20,362.25/30,682.09 = 16,745.49/x
  3. Step 3: Cross multiply
    20,362.25x = 30,682.09 × 16,745.49
  4. Step 4: Simplify right side
    20,362.25x = 513,786,631.27
  5. Step 5: Solve for x
    x = 513,786,631.27/20,362.25
  6. Step 6: Final answer
    x = 25,232.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.