Home / 28,805.92-43,216.72-8,814.97

Finding the Fourth Proportional to 28,805.92, 43,216.72 and 8,814.97

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Solution

The fourth proportional to 28,805.92, 43,216.72 and 8,814.97 is: 13,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.92 : 43,216.72 = 8,814.97 : x
  2. Step 2: Convert to fraction form
    28,805.92/43,216.72 = 8,814.97/x
  3. Step 3: Cross multiply
    28,805.92x = 43,216.72 × 8,814.97
  4. Step 4: Simplify right side
    28,805.92x = 380,954,090.30
  5. Step 5: Solve for x
    x = 380,954,090.30/28,805.92
  6. Step 6: Final answer
    x = 13,224.85

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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.