Home / 28,836.68-43,255.01-12,192.39

Finding the Fourth Proportional to 28,836.68, 43,255.01 and 12,192.39

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Solution

The fourth proportional to 28,836.68, 43,255.01 and 12,192.39 is: 18,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.68 : 43,255.01 = 12,192.39 : x
  2. Step 2: Convert to fraction form
    28,836.68/43,255.01 = 12,192.39/x
  3. Step 3: Cross multiply
    28,836.68x = 43,255.01 × 12,192.39
  4. Step 4: Simplify right side
    28,836.68x = 527,381,981.85
  5. Step 5: Solve for x
    x = 527,381,981.85/28,836.68
  6. Step 6: Final answer
    x = 18,288.59

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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.