Home / 17,078.12-25,617.30-5,392.28

Finding the Fourth Proportional to 17,078.12, 25,617.30 and 5,392.28

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Solution

The fourth proportional to 17,078.12, 25,617.30 and 5,392.28 is: 8,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.12 : 25,617.30 = 5,392.28 : x
  2. Step 2: Convert to fraction form
    17,078.12/25,617.30 = 5,392.28/x
  3. Step 3: Cross multiply
    17,078.12x = 25,617.30 × 5,392.28
  4. Step 4: Simplify right side
    17,078.12x = 138,135,654.44
  5. Step 5: Solve for x
    x = 138,135,654.44/17,078.12
  6. Step 6: Final answer
    x = 8,088.46

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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.