Home / 43,406.28-65,092.87-15,321.10

Finding the Fourth Proportional to 43,406.28, 65,092.87 and 15,321.10

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Solution

The fourth proportional to 43,406.28, 65,092.87 and 15,321.10 is: 22,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.28 : 65,092.87 = 15,321.10 : x
  2. Step 2: Convert to fraction form
    43,406.28/65,092.87 = 15,321.10/x
  3. Step 3: Cross multiply
    43,406.28x = 65,092.87 × 15,321.10
  4. Step 4: Simplify right side
    43,406.28x = 997,294,262.84
  5. Step 5: Solve for x
    x = 997,294,262.84/43,406.28
  6. Step 6: Final answer
    x = 22,975.81

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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.