Home / 23,825.31-32,882.86-13,218.36

Finding the Fourth Proportional to 23,825.31, 32,882.86 and 13,218.36

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Solution

The fourth proportional to 23,825.31, 32,882.86 and 13,218.36 is: 18,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,825.31 : 32,882.86 = 13,218.36 : x
  2. Step 2: Convert to fraction form
    23,825.31/32,882.86 = 13,218.36/x
  3. Step 3: Cross multiply
    23,825.31x = 32,882.86 × 13,218.36
  4. Step 4: Simplify right side
    23,825.31x = 434,657,316.90
  5. Step 5: Solve for x
    x = 434,657,316.90/23,825.31
  6. Step 6: Final answer
    x = 18,243.52

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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.