Home / 22,515.32-33,608.10-19,855.20

Finding the Fourth Proportional to 22,515.32, 33,608.10 and 19,855.20

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Solution

The fourth proportional to 22,515.32, 33,608.10 and 19,855.20 is: 29,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.32 : 33,608.10 = 19,855.20 : x
  2. Step 2: Convert to fraction form
    22,515.32/33,608.10 = 19,855.20/x
  3. Step 3: Cross multiply
    22,515.32x = 33,608.10 × 19,855.20
  4. Step 4: Simplify right side
    22,515.32x = 667,295,558.56
  5. Step 5: Solve for x
    x = 667,295,558.56/22,515.32
  6. Step 6: Final answer
    x = 29,637.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.