Home / 21,744.25-29,782.22-20,467.59

Finding the Fourth Proportional to 21,744.25, 29,782.22 and 20,467.59

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Solution

The fourth proportional to 21,744.25, 29,782.22 and 20,467.59 is: 28,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.25 : 29,782.22 = 20,467.59 : x
  2. Step 2: Convert to fraction form
    21,744.25/29,782.22 = 20,467.59/x
  3. Step 3: Cross multiply
    21,744.25x = 29,782.22 × 20,467.59
  4. Step 4: Simplify right side
    21,744.25x = 609,570,268.25
  5. Step 5: Solve for x
    x = 609,570,268.25/21,744.25
  6. Step 6: Final answer
    x = 28,033.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.