Home / 25,111.75-34,654.22-13,933.75

Finding the Fourth Proportional to 25,111.75, 34,654.22 and 13,933.75

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Solution

The fourth proportional to 25,111.75, 34,654.22 and 13,933.75 is: 19,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.75 : 34,654.22 = 13,933.75 : x
  2. Step 2: Convert to fraction form
    25,111.75/34,654.22 = 13,933.75/x
  3. Step 3: Cross multiply
    25,111.75x = 34,654.22 × 13,933.75
  4. Step 4: Simplify right side
    25,111.75x = 482,863,237.93
  5. Step 5: Solve for x
    x = 482,863,237.93/25,111.75
  6. Step 6: Final answer
    x = 19,228.58

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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.