Home / 25,644.88-35,367.78-16,689.16

Finding the Fourth Proportional to 25,644.88, 35,367.78 and 16,689.16

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Solution

The fourth proportional to 25,644.88, 35,367.78 and 16,689.16 is: 23,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.88 : 35,367.78 = 16,689.16 : x
  2. Step 2: Convert to fraction form
    25,644.88/35,367.78 = 16,689.16/x
  3. Step 3: Cross multiply
    25,644.88x = 35,367.78 × 16,689.16
  4. Step 4: Simplify right side
    25,644.88x = 590,258,539.26
  5. Step 5: Solve for x
    x = 590,258,539.26/25,644.88
  6. Step 6: Final answer
    x = 23,016.62

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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.