Home / 17,878.26-26,808.66-5,395.95

Finding the Fourth Proportional to 17,878.26, 26,808.66 and 5,395.95

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Solution

The fourth proportional to 17,878.26, 26,808.66 and 5,395.95 is: 8,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.26 : 26,808.66 = 5,395.95 : x
  2. Step 2: Convert to fraction form
    17,878.26/26,808.66 = 5,395.95/x
  3. Step 3: Cross multiply
    17,878.26x = 26,808.66 × 5,395.95
  4. Step 4: Simplify right side
    17,878.26x = 144,658,188.93
  5. Step 5: Solve for x
    x = 144,658,188.93/17,878.26
  6. Step 6: Final answer
    x = 8,091.29

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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.