Home / 29,257.53-43,800.12-18,128.43

Finding the Fourth Proportional to 29,257.53, 43,800.12 and 18,128.43

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Solution

The fourth proportional to 29,257.53, 43,800.12 and 18,128.43 is: 27,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.53 : 43,800.12 = 18,128.43 : x
  2. Step 2: Convert to fraction form
    29,257.53/43,800.12 = 18,128.43/x
  3. Step 3: Cross multiply
    29,257.53x = 43,800.12 × 18,128.43
  4. Step 4: Simplify right side
    29,257.53x = 794,027,409.41
  5. Step 5: Solve for x
    x = 794,027,409.41/29,257.53
  6. Step 6: Final answer
    x = 27,139.25

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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.