Home / 21,940.20-32,836.59-18,249.84

Finding the Fourth Proportional to 21,940.20, 32,836.59 and 18,249.84

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Solution

The fourth proportional to 21,940.20, 32,836.59 and 18,249.84 is: 27,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.20 : 32,836.59 = 18,249.84 : x
  2. Step 2: Convert to fraction form
    21,940.20/32,836.59 = 18,249.84/x
  3. Step 3: Cross multiply
    21,940.20x = 32,836.59 × 18,249.84
  4. Step 4: Simplify right side
    21,940.20x = 599,262,513.65
  5. Step 5: Solve for x
    x = 599,262,513.65/21,940.20
  6. Step 6: Final answer
    x = 27,313.45

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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.