Home / 21,662.25-32,419.44-18,156.22

Finding the Fourth Proportional to 21,662.25, 32,419.44 and 18,156.22

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Solution

The fourth proportional to 21,662.25, 32,419.44 and 18,156.22 is: 27,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.25 : 32,419.44 = 18,156.22 : x
  2. Step 2: Convert to fraction form
    21,662.25/32,419.44 = 18,156.22/x
  3. Step 3: Cross multiply
    21,662.25x = 32,419.44 × 18,156.22
  4. Step 4: Simplify right side
    21,662.25x = 588,614,322.82
  5. Step 5: Solve for x
    x = 588,614,322.82/21,662.25
  6. Step 6: Final answer
    x = 27,172.35

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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.