Home / 25,761.33-38,634.85-9,119.17

Finding the Fourth Proportional to 25,761.33, 38,634.85 and 9,119.17

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Solution

The fourth proportional to 25,761.33, 38,634.85 and 9,119.17 is: 13,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.33 : 38,634.85 = 9,119.17 : x
  2. Step 2: Convert to fraction form
    25,761.33/38,634.85 = 9,119.17/x
  3. Step 3: Cross multiply
    25,761.33x = 38,634.85 × 9,119.17
  4. Step 4: Simplify right side
    25,761.33x = 352,317,668.49
  5. Step 5: Solve for x
    x = 352,317,668.49/25,761.33
  6. Step 6: Final answer
    x = 13,676.22

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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.