Home / 20,315.27-30,473.52-5,524.50

Finding the Fourth Proportional to 20,315.27, 30,473.52 and 5,524.50

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Solution

The fourth proportional to 20,315.27, 30,473.52 and 5,524.50 is: 8,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315.27 : 30,473.52 = 5,524.50 : x
  2. Step 2: Convert to fraction form
    20,315.27/30,473.52 = 5,524.50/x
  3. Step 3: Cross multiply
    20,315.27x = 30,473.52 × 5,524.50
  4. Step 4: Simplify right side
    20,315.27x = 168,351,054.80
  5. Step 5: Solve for x
    x = 168,351,054.80/20,315.27
  6. Step 6: Final answer
    x = 8,286.92

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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.