Home / 25,933.81-38,906.86-11,142.85

Finding the Fourth Proportional to 25,933.81, 38,906.86 and 11,142.85

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Solution

The fourth proportional to 25,933.81, 38,906.86 and 11,142.85 is: 16,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.81 : 38,906.86 = 11,142.85 : x
  2. Step 2: Convert to fraction form
    25,933.81/38,906.86 = 11,142.85/x
  3. Step 3: Cross multiply
    25,933.81x = 38,906.86 × 11,142.85
  4. Step 4: Simplify right side
    25,933.81x = 433,533,304.95
  5. Step 5: Solve for x
    x = 433,533,304.95/25,933.81
  6. Step 6: Final answer
    x = 16,716.92

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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.