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Finding the Fourth Proportional to 23,453.60, 35,103.60 and 18,231.20

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Solution

The fourth proportional to 23,453.60, 35,103.60 and 18,231.20 is: 27,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,453.60 : 35,103.60 = 18,231.20 : x
  2. Step 2: Convert to fraction form
    23,453.60/35,103.60 = 18,231.20/x
  3. Step 3: Cross multiply
    23,453.60x = 35,103.60 × 18,231.20
  4. Step 4: Simplify right side
    23,453.60x = 639,980,752.32
  5. Step 5: Solve for x
    x = 639,980,752.32/23,453.60
  6. Step 6: Final answer
    x = 27,287.10

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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.