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Finding the Fourth Proportional to 25,288.43, 37,936.76 and 9,494.71

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Solution

The fourth proportional to 25,288.43, 37,936.76 and 9,494.71 is: 14,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.43 : 37,936.76 = 9,494.71 : x
  2. Step 2: Convert to fraction form
    25,288.43/37,936.76 = 9,494.71/x
  3. Step 3: Cross multiply
    25,288.43x = 37,936.76 × 9,494.71
  4. Step 4: Simplify right side
    25,288.43x = 360,198,392.22
  5. Step 5: Solve for x
    x = 360,198,392.22/25,288.43
  6. Step 6: Final answer
    x = 14,243.60

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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.