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Finding the Fourth Proportional to 17,455.60, 26,154.60 and 14,863.60

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Solution

The fourth proportional to 17,455.60, 26,154.60 and 14,863.60 is: 22,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.60 : 26,154.60 = 14,863.60 : x
  2. Step 2: Convert to fraction form
    17,455.60/26,154.60 = 14,863.60/x
  3. Step 3: Cross multiply
    17,455.60x = 26,154.60 × 14,863.60
  4. Step 4: Simplify right side
    17,455.60x = 388,751,512.56
  5. Step 5: Solve for x
    x = 388,751,512.56/17,455.60
  6. Step 6: Final answer
    x = 22,270.88

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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.