Home / 22,172.36-30,589.84-17,069.44

Finding the Fourth Proportional to 22,172.36, 30,589.84 and 17,069.44

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Solution

The fourth proportional to 22,172.36, 30,589.84 and 17,069.44 is: 23,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.36 : 30,589.84 = 17,069.44 : x
  2. Step 2: Convert to fraction form
    22,172.36/30,589.84 = 17,069.44/x
  3. Step 3: Cross multiply
    22,172.36x = 30,589.84 × 17,069.44
  4. Step 4: Simplify right side
    22,172.36x = 522,151,319.34
  5. Step 5: Solve for x
    x = 522,151,319.34/22,172.36
  6. Step 6: Final answer
    x = 23,549.65

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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.