Home / 25,556.26-38,290.38-19,945.12

Finding the Fourth Proportional to 25,556.26, 38,290.38 and 19,945.12

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Solution

The fourth proportional to 25,556.26, 38,290.38 and 19,945.12 is: 29,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.26 : 38,290.38 = 19,945.12 : x
  2. Step 2: Convert to fraction form
    25,556.26/38,290.38 = 19,945.12/x
  3. Step 3: Cross multiply
    25,556.26x = 38,290.38 × 19,945.12
  4. Step 4: Simplify right side
    25,556.26x = 763,706,223.95
  5. Step 5: Solve for x
    x = 763,706,223.95/25,556.26
  6. Step 6: Final answer
    x = 29,883.33

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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.