Home / 36,872.40-55,326.60-17,140.80

Finding the Fourth Proportional to 36,872.40, 55,326.60 and 17,140.80

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Solution

The fourth proportional to 36,872.40, 55,326.60 and 17,140.80 is: 25,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.40 : 55,326.60 = 17,140.80 : x
  2. Step 2: Convert to fraction form
    36,872.40/55,326.60 = 17,140.80/x
  3. Step 3: Cross multiply
    36,872.40x = 55,326.60 × 17,140.80
  4. Step 4: Simplify right side
    36,872.40x = 948,342,185.28
  5. Step 5: Solve for x
    x = 948,342,185.28/36,872.40
  6. Step 6: Final answer
    x = 25,719.57

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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.