Home / 28,838.27-43,263.17-12,198.23

Finding the Fourth Proportional to 28,838.27, 43,263.17 and 12,198.23

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Solution

The fourth proportional to 28,838.27, 43,263.17 and 12,198.23 is: 18,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.27 : 43,263.17 = 12,198.23 : x
  2. Step 2: Convert to fraction form
    28,838.27/43,263.17 = 12,198.23/x
  3. Step 3: Cross multiply
    28,838.27x = 43,263.17 × 12,198.23
  4. Step 4: Simplify right side
    28,838.27x = 527,733,820.88
  5. Step 5: Solve for x
    x = 527,733,820.88/28,838.27
  6. Step 6: Final answer
    x = 18,299.78

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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.