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Finding the Fourth Proportional to 24,612.84, 36,919.78 and 8,818.90

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Solution

The fourth proportional to 24,612.84, 36,919.78 and 8,818.90 is: 13,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,612.84 : 36,919.78 = 8,818.90 : x
  2. Step 2: Convert to fraction form
    24,612.84/36,919.78 = 8,818.90/x
  3. Step 3: Cross multiply
    24,612.84x = 36,919.78 × 8,818.90
  4. Step 4: Simplify right side
    24,612.84x = 325,591,847.84
  5. Step 5: Solve for x
    x = 325,591,847.84/24,612.84
  6. Step 6: Final answer
    x = 13,228.54

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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.