Home / 20,240.24-27,933.72-12,282.80

Finding the Fourth Proportional to 20,240.24, 27,933.72 and 12,282.80

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Solution

The fourth proportional to 20,240.24, 27,933.72 and 12,282.80 is: 16,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.24 : 27,933.72 = 12,282.80 : x
  2. Step 2: Convert to fraction form
    20,240.24/27,933.72 = 12,282.80/x
  3. Step 3: Cross multiply
    20,240.24x = 27,933.72 × 12,282.80
  4. Step 4: Simplify right side
    20,240.24x = 343,104,296.02
  5. Step 5: Solve for x
    x = 343,104,296.02/20,240.24
  6. Step 6: Final answer
    x = 16,951.59

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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.