Home / 21,525.24-29,721.42-17,352.12

Finding the Fourth Proportional to 21,525.24, 29,721.42 and 17,352.12

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Solution

The fourth proportional to 21,525.24, 29,721.42 and 17,352.12 is: 23,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.24 : 29,721.42 = 17,352.12 : x
  2. Step 2: Convert to fraction form
    21,525.24/29,721.42 = 17,352.12/x
  3. Step 3: Cross multiply
    21,525.24x = 29,721.42 × 17,352.12
  4. Step 4: Simplify right side
    21,525.24x = 515,729,646.41
  5. Step 5: Solve for x
    x = 515,729,646.41/21,525.24
  6. Step 6: Final answer
    x = 23,959.30

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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.