Home / 20,201.87-27,892.26-12,651.23

Finding the Fourth Proportional to 20,201.87, 27,892.26 and 12,651.23

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Solution

The fourth proportional to 20,201.87, 27,892.26 and 12,651.23 is: 17,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.87 : 27,892.26 = 12,651.23 : x
  2. Step 2: Convert to fraction form
    20,201.87/27,892.26 = 12,651.23/x
  3. Step 3: Cross multiply
    20,201.87x = 27,892.26 × 12,651.23
  4. Step 4: Simplify right side
    20,201.87x = 352,871,257.02
  5. Step 5: Solve for x
    x = 352,871,257.02/20,201.87
  6. Step 6: Final answer
    x = 17,467.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.