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Finding the Fourth Proportional to 23,209.60, 34,819.44 and 7,626.88

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Solution

The fourth proportional to 23,209.60, 34,819.44 and 7,626.88 is: 11,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.60 : 34,819.44 = 7,626.88 : x
  2. Step 2: Convert to fraction form
    23,209.60/34,819.44 = 7,626.88/x
  3. Step 3: Cross multiply
    23,209.60x = 34,819.44 × 7,626.88
  4. Step 4: Simplify right side
    23,209.60x = 265,563,690.55
  5. Step 5: Solve for x
    x = 265,563,690.55/23,209.60
  6. Step 6: Final answer
    x = 11,441.98

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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.