Home / 25,833.78-38,745.32-11,789.87

Finding the Fourth Proportional to 25,833.78, 38,745.32 and 11,789.87

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Solution

The fourth proportional to 25,833.78, 38,745.32 and 11,789.87 is: 17,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833.78 : 38,745.32 = 11,789.87 : x
  2. Step 2: Convert to fraction form
    25,833.78/38,745.32 = 11,789.87/x
  3. Step 3: Cross multiply
    25,833.78x = 38,745.32 × 11,789.87
  4. Step 4: Simplify right side
    25,833.78x = 456,802,033.23
  5. Step 5: Solve for x
    x = 456,802,033.23/25,833.78
  6. Step 6: Final answer
    x = 17,682.35

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1.5x scale

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.