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Finding the Fourth Proportional to 17,289.64, 25,936.86 and 5,599.08

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Solution

The fourth proportional to 17,289.64, 25,936.86 and 5,599.08 is: 8,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.64 : 25,936.86 = 5,599.08 : x
  2. Step 2: Convert to fraction form
    17,289.64/25,936.86 = 5,599.08/x
  3. Step 3: Cross multiply
    17,289.64x = 25,936.86 × 5,599.08
  4. Step 4: Simplify right side
    17,289.64x = 145,222,554.09
  5. Step 5: Solve for x
    x = 145,222,554.09/17,289.64
  6. Step 6: Final answer
    x = 8,399.40

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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.