Home / 22,919.24-31,628.44-12,847.67

Finding the Fourth Proportional to 22,919.24, 31,628.44 and 12,847.67

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Solution

The fourth proportional to 22,919.24, 31,628.44 and 12,847.67 is: 17,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.24 : 31,628.44 = 12,847.67 : x
  2. Step 2: Convert to fraction form
    22,919.24/31,628.44 = 12,847.67/x
  3. Step 3: Cross multiply
    22,919.24x = 31,628.44 × 12,847.67
  4. Step 4: Simplify right side
    22,919.24x = 406,351,759.73
  5. Step 5: Solve for x
    x = 406,351,759.73/22,919.24
  6. Step 6: Final answer
    x = 17,729.72

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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.