Home / 43,426.88-65,139.48-17,131.84

Finding the Fourth Proportional to 43,426.88, 65,139.48 and 17,131.84

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Solution

The fourth proportional to 43,426.88, 65,139.48 and 17,131.84 is: 25,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.88 : 65,139.48 = 17,131.84 : x
  2. Step 2: Convert to fraction form
    43,426.88/65,139.48 = 17,131.84/x
  3. Step 3: Cross multiply
    43,426.88x = 65,139.48 × 17,131.84
  4. Step 4: Simplify right side
    43,426.88x = 1,115,959,149.04
  5. Step 5: Solve for x
    x = 1,115,959,149.04/43,426.88
  6. Step 6: Final answer
    x = 25,697.43

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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.