Home / 43,540.57-65,339.98-15,838.57

Finding the Fourth Proportional to 43,540.57, 65,339.98 and 15,838.57

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Solution

The fourth proportional to 43,540.57, 65,339.98 and 15,838.57 is: 23,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.57 : 65,339.98 = 15,838.57 : x
  2. Step 2: Convert to fraction form
    43,540.57/65,339.98 = 15,838.57/x
  3. Step 3: Cross multiply
    43,540.57x = 65,339.98 × 15,838.57
  4. Step 4: Simplify right side
    43,540.57x = 1,034,891,441.14
  5. Step 5: Solve for x
    x = 1,034,891,441.14/43,540.57
  6. Step 6: Final answer
    x = 23,768.44

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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.