Home / 27,469.18-41,179.47-13,421.35

Finding the Fourth Proportional to 27,469.18, 41,179.47 and 13,421.35

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Solution

The fourth proportional to 27,469.18, 41,179.47 and 13,421.35 is: 20,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.18 : 41,179.47 = 13,421.35 : x
  2. Step 2: Convert to fraction form
    27,469.18/41,179.47 = 13,421.35/x
  3. Step 3: Cross multiply
    27,469.18x = 41,179.47 × 13,421.35
  4. Step 4: Simplify right side
    27,469.18x = 552,684,079.68
  5. Step 5: Solve for x
    x = 552,684,079.68/27,469.18
  6. Step 6: Final answer
    x = 20,120.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.