Home / 28,896.96-43,350.82-9,170.20

Finding the Fourth Proportional to 28,896.96, 43,350.82 and 9,170.20

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Solution

The fourth proportional to 28,896.96, 43,350.82 and 9,170.20 is: 13,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.96 : 43,350.82 = 9,170.20 : x
  2. Step 2: Convert to fraction form
    28,896.96/43,350.82 = 9,170.20/x
  3. Step 3: Cross multiply
    28,896.96x = 43,350.82 × 9,170.20
  4. Step 4: Simplify right side
    28,896.96x = 397,535,689.56
  5. Step 5: Solve for x
    x = 397,535,689.56/28,896.96
  6. Step 6: Final answer
    x = 13,757.01

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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.