Home / 43,980.96-65,982.36-17,328.72

Finding the Fourth Proportional to 43,980.96, 65,982.36 and 17,328.72

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Solution

The fourth proportional to 43,980.96, 65,982.36 and 17,328.72 is: 25,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,980.96 : 65,982.36 = 17,328.72 : x
  2. Step 2: Convert to fraction form
    43,980.96/65,982.36 = 17,328.72/x
  3. Step 3: Cross multiply
    43,980.96x = 65,982.36 × 17,328.72
  4. Step 4: Simplify right side
    43,980.96x = 1,143,389,841.38
  5. Step 5: Solve for x
    x = 1,143,389,841.38/43,980.96
  6. Step 6: Final answer
    x = 25,997.38

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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.