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Finding the Fourth Proportional to 25,151.76, 37,727.60 and 6,683.76

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Solution

The fourth proportional to 25,151.76, 37,727.60 and 6,683.76 is: 10,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.76 : 37,727.60 = 6,683.76 : x
  2. Step 2: Convert to fraction form
    25,151.76/37,727.60 = 6,683.76/x
  3. Step 3: Cross multiply
    25,151.76x = 37,727.60 × 6,683.76
  4. Step 4: Simplify right side
    25,151.76x = 252,162,223.78
  5. Step 5: Solve for x
    x = 252,162,223.78/25,151.76
  6. Step 6: Final answer
    x = 10,025.63

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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.