Home / 17,119.26-25,681.70-5,435.28

Finding the Fourth Proportional to 17,119.26, 25,681.70 and 5,435.28

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Solution

The fourth proportional to 17,119.26, 25,681.70 and 5,435.28 is: 8,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.26 : 25,681.70 = 5,435.28 : x
  2. Step 2: Convert to fraction form
    17,119.26/25,681.70 = 5,435.28/x
  3. Step 3: Cross multiply
    17,119.26x = 25,681.70 × 5,435.28
  4. Step 4: Simplify right side
    17,119.26x = 139,587,230.38
  5. Step 5: Solve for x
    x = 139,587,230.38/17,119.26
  6. Step 6: Final answer
    x = 8,153.81

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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.