Home / 25,177.91-34,745.42-13,847.56

Finding the Fourth Proportional to 25,177.91, 34,745.42 and 13,847.56

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Solution

The fourth proportional to 25,177.91, 34,745.42 and 13,847.56 is: 19,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.91 : 34,745.42 = 13,847.56 : x
  2. Step 2: Convert to fraction form
    25,177.91/34,745.42 = 13,847.56/x
  3. Step 3: Cross multiply
    25,177.91x = 34,745.42 × 13,847.56
  4. Step 4: Simplify right side
    25,177.91x = 481,139,235.93
  5. Step 5: Solve for x
    x = 481,139,235.93/25,177.91
  6. Step 6: Final answer
    x = 19,109.58

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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.