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Finding the Fourth Proportional to 24,257.60, 36,409.60 and 12,579.20

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Solution

The fourth proportional to 24,257.60, 36,409.60 and 12,579.20 is: 18,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,257.60 : 36,409.60 = 12,579.20 : x
  2. Step 2: Convert to fraction form
    24,257.60/36,409.60 = 12,579.20/x
  3. Step 3: Cross multiply
    24,257.60x = 36,409.60 × 12,579.20
  4. Step 4: Simplify right side
    24,257.60x = 458,003,640.32
  5. Step 5: Solve for x
    x = 458,003,640.32/24,257.60
  6. Step 6: Final answer
    x = 18,880.83

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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.