Home / 20,049.12-27,669.60-11,664

Finding the Fourth Proportional to 20,049.12, 27,669.60 and 11,664

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Solution

The fourth proportional to 20,049.12, 27,669.60 and 11,664 is: 16,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.12 : 27,669.60 = 11,664 : x
  2. Step 2: Convert to fraction form
    20,049.12/27,669.60 = 11,664/x
  3. Step 3: Cross multiply
    20,049.12x = 27,669.60 × 11,664
  4. Step 4: Simplify right side
    20,049.12x = 322,738,214.40
  5. Step 5: Solve for x
    x = 322,738,214.40/20,049.12
  6. Step 6: Final answer
    x = 16,097.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.