Home / 17,272.08-25,908.39-5,425.47

Finding the Fourth Proportional to 17,272.08, 25,908.39 and 5,425.47

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Solution

The fourth proportional to 17,272.08, 25,908.39 and 5,425.47 is: 8,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.08 : 25,908.39 = 5,425.47 : x
  2. Step 2: Convert to fraction form
    17,272.08/25,908.39 = 5,425.47/x
  3. Step 3: Cross multiply
    17,272.08x = 25,908.39 × 5,425.47
  4. Step 4: Simplify right side
    17,272.08x = 140,565,192.69
  5. Step 5: Solve for x
    x = 140,565,192.69/17,272.08
  6. Step 6: Final answer
    x = 8,138.29

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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.