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Finding the Fourth Proportional to 25,951.79, 38,908.07 and 10,963.55

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Solution

The fourth proportional to 25,951.79, 38,908.07 and 10,963.55 is: 16,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.79 : 38,908.07 = 10,963.55 : x
  2. Step 2: Convert to fraction form
    25,951.79/38,908.07 = 10,963.55/x
  3. Step 3: Cross multiply
    25,951.79x = 38,908.07 × 10,963.55
  4. Step 4: Simplify right side
    25,951.79x = 426,570,570.85
  5. Step 5: Solve for x
    x = 426,570,570.85/25,951.79
  6. Step 6: Final answer
    x = 16,437.04

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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.