Home / 38,653.82-57,965.87-13,689.26

Finding the Fourth Proportional to 38,653.82, 57,965.87 and 13,689.26

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Solution

The fourth proportional to 38,653.82, 57,965.87 and 13,689.26 is: 20,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.82 : 57,965.87 = 13,689.26 : x
  2. Step 2: Convert to fraction form
    38,653.82/57,965.87 = 13,689.26/x
  3. Step 3: Cross multiply
    38,653.82x = 57,965.87 × 13,689.26
  4. Step 4: Simplify right side
    38,653.82x = 793,509,609.95
  5. Step 5: Solve for x
    x = 793,509,609.95/38,653.82
  6. Step 6: Final answer
    x = 20,528.62

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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.