Home / 28,856.75-43,252.29-12,206.39

Finding the Fourth Proportional to 28,856.75, 43,252.29 and 12,206.39

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Solution

The fourth proportional to 28,856.75, 43,252.29 and 12,206.39 is: 18,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.75 : 43,252.29 = 12,206.39 : x
  2. Step 2: Convert to fraction form
    28,856.75/43,252.29 = 12,206.39/x
  3. Step 3: Cross multiply
    28,856.75x = 43,252.29 × 12,206.39
  4. Step 4: Simplify right side
    28,856.75x = 527,954,103.87
  5. Step 5: Solve for x
    x = 527,954,103.87/28,856.75
  6. Step 6: Final answer
    x = 18,295.69

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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.