Home / 28,816.15-43,224.22-9,108.54

Finding the Fourth Proportional to 28,816.15, 43,224.22 and 9,108.54

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Solution

The fourth proportional to 28,816.15, 43,224.22 and 9,108.54 is: 13,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.15 : 43,224.22 = 9,108.54 : x
  2. Step 2: Convert to fraction form
    28,816.15/43,224.22 = 9,108.54/x
  3. Step 3: Cross multiply
    28,816.15x = 43,224.22 × 9,108.54
  4. Step 4: Simplify right side
    28,816.15x = 393,709,491.30
  5. Step 5: Solve for x
    x = 393,709,491.30/28,816.15
  6. Step 6: Final answer
    x = 13,662.81

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Similar ratio
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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.