Home / 21,844.24-32,725.24-12,933.20

Finding the Fourth Proportional to 21,844.24, 32,725.24 and 12,933.20

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Solution

The fourth proportional to 21,844.24, 32,725.24 and 12,933.20 is: 19,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.24 : 32,725.24 = 12,933.20 : x
  2. Step 2: Convert to fraction form
    21,844.24/32,725.24 = 12,933.20/x
  3. Step 3: Cross multiply
    21,844.24x = 32,725.24 × 12,933.20
  4. Step 4: Simplify right side
    21,844.24x = 423,242,073.97
  5. Step 5: Solve for x
    x = 423,242,073.97/21,844.24
  6. Step 6: Final answer
    x = 19,375.45

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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.