Home / 28,896.22-43,356.85-10,189.62

Finding the Fourth Proportional to 28,896.22, 43,356.85 and 10,189.62

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Solution

The fourth proportional to 28,896.22, 43,356.85 and 10,189.62 is: 15,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.22 : 43,356.85 = 10,189.62 : x
  2. Step 2: Convert to fraction form
    28,896.22/43,356.85 = 10,189.62/x
  3. Step 3: Cross multiply
    28,896.22x = 43,356.85 × 10,189.62
  4. Step 4: Simplify right side
    28,896.22x = 441,789,800.42
  5. Step 5: Solve for x
    x = 441,789,800.42/28,896.22
  6. Step 6: Final answer
    x = 15,288.85

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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.