Home / 25,852.97-38,704.13-19,218.87

Finding the Fourth Proportional to 25,852.97, 38,704.13 and 19,218.87

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Solution

The fourth proportional to 25,852.97, 38,704.13 and 19,218.87 is: 28,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.97 : 38,704.13 = 19,218.87 : x
  2. Step 2: Convert to fraction form
    25,852.97/38,704.13 = 19,218.87/x
  3. Step 3: Cross multiply
    25,852.97x = 38,704.13 × 19,218.87
  4. Step 4: Simplify right side
    25,852.97x = 743,849,618.91
  5. Step 5: Solve for x
    x = 743,849,618.91/25,852.97
  6. Step 6: Final answer
    x = 28,772.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.