Home / 28,850.78-43,281.44-13,268

Finding the Fourth Proportional to 28,850.78, 43,281.44 and 13,268

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Solution

The fourth proportional to 28,850.78, 43,281.44 and 13,268 is: 19,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.78 : 43,281.44 = 13,268 : x
  2. Step 2: Convert to fraction form
    28,850.78/43,281.44 = 13,268/x
  3. Step 3: Cross multiply
    28,850.78x = 43,281.44 × 13,268
  4. Step 4: Simplify right side
    28,850.78x = 574,258,145.92
  5. Step 5: Solve for x
    x = 574,258,145.92/28,850.78
  6. Step 6: Final answer
    x = 19,904.42

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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.