Home / 43,427.53-65,121.25-18,454.27

Finding the Fourth Proportional to 43,427.53, 65,121.25 and 18,454.27

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Solution

The fourth proportional to 43,427.53, 65,121.25 and 18,454.27 is: 27,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.53 : 65,121.25 = 18,454.27 : x
  2. Step 2: Convert to fraction form
    43,427.53/65,121.25 = 18,454.27/x
  3. Step 3: Cross multiply
    43,427.53x = 65,121.25 × 18,454.27
  4. Step 4: Simplify right side
    43,427.53x = 1,201,765,130.24
  5. Step 5: Solve for x
    x = 1,201,765,130.24/43,427.53
  6. Step 6: Final answer
    x = 27,672.89

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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.