Home / 28,807.82-43,183.31-13,797.60

Finding the Fourth Proportional to 28,807.82, 43,183.31 and 13,797.60

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Solution

The fourth proportional to 28,807.82, 43,183.31 and 13,797.60 is: 20,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.82 : 43,183.31 = 13,797.60 : x
  2. Step 2: Convert to fraction form
    28,807.82/43,183.31 = 13,797.60/x
  3. Step 3: Cross multiply
    28,807.82x = 43,183.31 × 13,797.60
  4. Step 4: Simplify right side
    28,807.82x = 595,825,969.07
  5. Step 5: Solve for x
    x = 595,825,969.07/28,807.82
  6. Step 6: Final answer
    x = 20,682.79

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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.