Home / 22,120.80-30,527.04-12,049.44

Finding the Fourth Proportional to 22,120.80, 30,527.04 and 12,049.44

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Solution

The fourth proportional to 22,120.80, 30,527.04 and 12,049.44 is: 16,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.80 : 30,527.04 = 12,049.44 : x
  2. Step 2: Convert to fraction form
    22,120.80/30,527.04 = 12,049.44/x
  3. Step 3: Cross multiply
    22,120.80x = 30,527.04 × 12,049.44
  4. Step 4: Simplify right side
    22,120.80x = 367,833,736.86
  5. Step 5: Solve for x
    x = 367,833,736.86/22,120.80
  6. Step 6: Final answer
    x = 16,628.41

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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.