Home / 25,218.80-34,786.44-15,662

Finding the Fourth Proportional to 25,218.80, 34,786.44 and 15,662

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Solution

The fourth proportional to 25,218.80, 34,786.44 and 15,662 is: 21,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.80 : 34,786.44 = 15,662 : x
  2. Step 2: Convert to fraction form
    25,218.80/34,786.44 = 15,662/x
  3. Step 3: Cross multiply
    25,218.80x = 34,786.44 × 15,662
  4. Step 4: Simplify right side
    25,218.80x = 544,825,223.28
  5. Step 5: Solve for x
    x = 544,825,223.28/25,218.80
  6. Step 6: Final answer
    x = 21,603.93

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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.