Home / 38,579.26-57,875.80-13,633.79

Finding the Fourth Proportional to 38,579.26, 57,875.80 and 13,633.79

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Solution

The fourth proportional to 38,579.26, 57,875.80 and 13,633.79 is: 20,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.26 : 57,875.80 = 13,633.79 : x
  2. Step 2: Convert to fraction form
    38,579.26/57,875.80 = 13,633.79/x
  3. Step 3: Cross multiply
    38,579.26x = 57,875.80 × 13,633.79
  4. Step 4: Simplify right side
    38,579.26x = 789,066,396.85
  5. Step 5: Solve for x
    x = 789,066,396.85/38,579.26
  6. Step 6: Final answer
    x = 20,453.13

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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.