Home / 22,305.30-33,479.82-16,990.89

Finding the Fourth Proportional to 22,305.30, 33,479.82 and 16,990.89

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Solution

The fourth proportional to 22,305.30, 33,479.82 and 16,990.89 is: 25,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.30 : 33,479.82 = 16,990.89 : x
  2. Step 2: Convert to fraction form
    22,305.30/33,479.82 = 16,990.89/x
  3. Step 3: Cross multiply
    22,305.30x = 33,479.82 × 16,990.89
  4. Step 4: Simplify right side
    22,305.30x = 568,851,938.84
  5. Step 5: Solve for x
    x = 568,851,938.84/22,305.30
  6. Step 6: Final answer
    x = 25,502.99

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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.