Home / 28,886.32-43,336.77-8,109.82

Finding the Fourth Proportional to 28,886.32, 43,336.77 and 8,109.82

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Solution

The fourth proportional to 28,886.32, 43,336.77 and 8,109.82 is: 12,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.32 : 43,336.77 = 8,109.82 : x
  2. Step 2: Convert to fraction form
    28,886.32/43,336.77 = 8,109.82/x
  3. Step 3: Cross multiply
    28,886.32x = 43,336.77 × 8,109.82
  4. Step 4: Simplify right side
    28,886.32x = 351,453,404.08
  5. Step 5: Solve for x
    x = 351,453,404.08/28,886.32
  6. Step 6: Final answer
    x = 12,166.78

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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.