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Finding the Fourth Proportional to 25,923, 38,837.52 and 11,894.78

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Solution

The fourth proportional to 25,923, 38,837.52 and 11,894.78 is: 17,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923 : 38,837.52 = 11,894.78 : x
  2. Step 2: Convert to fraction form
    25,923/38,837.52 = 11,894.78/x
  3. Step 3: Cross multiply
    25,923x = 38,837.52 × 11,894.78
  4. Step 4: Simplify right side
    25,923x = 461,963,756.15
  5. Step 5: Solve for x
    x = 461,963,756.15/25,923
  6. Step 6: Final answer
    x = 17,820.61

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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.