Home / 21,782.26-30,100.38-17,801.92

Finding the Fourth Proportional to 21,782.26, 30,100.38 and 17,801.92

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Solution

The fourth proportional to 21,782.26, 30,100.38 and 17,801.92 is: 24,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782.26 : 30,100.38 = 17,801.92 : x
  2. Step 2: Convert to fraction form
    21,782.26/30,100.38 = 17,801.92/x
  3. Step 3: Cross multiply
    21,782.26x = 30,100.38 × 17,801.92
  4. Step 4: Simplify right side
    21,782.26x = 535,844,556.73
  5. Step 5: Solve for x
    x = 535,844,556.73/21,782.26
  6. Step 6: Final answer
    x = 24,600.04

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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.