Home / 28,876.38-43,298.16-11,336.64

Finding the Fourth Proportional to 28,876.38, 43,298.16 and 11,336.64

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Solution

The fourth proportional to 28,876.38, 43,298.16 and 11,336.64 is: 16,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.38 : 43,298.16 = 11,336.64 : x
  2. Step 2: Convert to fraction form
    28,876.38/43,298.16 = 11,336.64/x
  3. Step 3: Cross multiply
    28,876.38x = 43,298.16 × 11,336.64
  4. Step 4: Simplify right side
    28,876.38x = 490,855,652.58
  5. Step 5: Solve for x
    x = 490,855,652.58/28,876.38
  6. Step 6: Final answer
    x = 16,998.52

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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.