Home / 17,079.12-25,618.80-5,393.28

Finding the Fourth Proportional to 17,079.12, 25,618.80 and 5,393.28

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Solution

The fourth proportional to 17,079.12, 25,618.80 and 5,393.28 is: 8,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079.12 : 25,618.80 = 5,393.28 : x
  2. Step 2: Convert to fraction form
    17,079.12/25,618.80 = 5,393.28/x
  3. Step 3: Cross multiply
    17,079.12x = 25,618.80 × 5,393.28
  4. Step 4: Simplify right side
    17,079.12x = 138,169,361.66
  5. Step 5: Solve for x
    x = 138,169,361.66/17,079.12
  6. Step 6: Final answer
    x = 8,089.96

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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.