Home / 43,402.06-65,103.09-13,828.96

Finding the Fourth Proportional to 43,402.06, 65,103.09 and 13,828.96

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Solution

The fourth proportional to 43,402.06, 65,103.09 and 13,828.96 is: 20,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.06 : 65,103.09 = 13,828.96 : x
  2. Step 2: Convert to fraction form
    43,402.06/65,103.09 = 13,828.96/x
  3. Step 3: Cross multiply
    43,402.06x = 65,103.09 × 13,828.96
  4. Step 4: Simplify right side
    43,402.06x = 900,308,027.49
  5. Step 5: Solve for x
    x = 900,308,027.49/43,402.06
  6. Step 6: Final answer
    x = 20,743.44

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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.