Home / 17,617.25-26,425.88-5,305.25

Finding the Fourth Proportional to 17,617.25, 26,425.88 and 5,305.25

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Solution

The fourth proportional to 17,617.25, 26,425.88 and 5,305.25 is: 7,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.25 : 26,425.88 = 5,305.25 : x
  2. Step 2: Convert to fraction form
    17,617.25/26,425.88 = 5,305.25/x
  3. Step 3: Cross multiply
    17,617.25x = 26,425.88 × 5,305.25
  4. Step 4: Simplify right side
    17,617.25x = 140,195,899.87
  5. Step 5: Solve for x
    x = 140,195,899.87/17,617.25
  6. Step 6: Final answer
    x = 7,957.88

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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.