Home / 29,028.21-43,548.47-9,320.61

Finding the Fourth Proportional to 29,028.21, 43,548.47 and 9,320.61

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Solution

The fourth proportional to 29,028.21, 43,548.47 and 9,320.61 is: 13,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,028.21 : 43,548.47 = 9,320.61 : x
  2. Step 2: Convert to fraction form
    29,028.21/43,548.47 = 9,320.61/x
  3. Step 3: Cross multiply
    29,028.21x = 43,548.47 × 9,320.61
  4. Step 4: Simplify right side
    29,028.21x = 405,898,040.62
  5. Step 5: Solve for x
    x = 405,898,040.62/29,028.21
  6. Step 6: Final answer
    x = 13,982.88

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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.