Home / 43,489.15-65,214.73-15,399.87

Finding the Fourth Proportional to 43,489.15, 65,214.73 and 15,399.87

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Solution

The fourth proportional to 43,489.15, 65,214.73 and 15,399.87 is: 23,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.15 : 65,214.73 = 15,399.87 : x
  2. Step 2: Convert to fraction form
    43,489.15/65,214.73 = 15,399.87/x
  3. Step 3: Cross multiply
    43,489.15x = 65,214.73 × 15,399.87
  4. Step 4: Simplify right side
    43,489.15x = 1,004,298,364.09
  5. Step 5: Solve for x
    x = 1,004,298,364.09/43,489.15
  6. Step 6: Final answer
    x = 23,093.08

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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.