Home / 28,481.82-39,268.05-19,513.29

Finding the Fourth Proportional to 28,481.82, 39,268.05 and 19,513.29

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Solution

The fourth proportional to 28,481.82, 39,268.05 and 19,513.29 is: 26,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.82 : 39,268.05 = 19,513.29 : x
  2. Step 2: Convert to fraction form
    28,481.82/39,268.05 = 19,513.29/x
  3. Step 3: Cross multiply
    28,481.82x = 39,268.05 × 19,513.29
  4. Step 4: Simplify right side
    28,481.82x = 766,248,847.38
  5. Step 5: Solve for x
    x = 766,248,847.38/28,481.82
  6. Step 6: Final answer
    x = 26,903.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.