Home / 27,205.11-37,558.68-18,128.07

Finding the Fourth Proportional to 27,205.11, 37,558.68 and 18,128.07

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Solution

The fourth proportional to 27,205.11, 37,558.68 and 18,128.07 is: 25,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.11 : 37,558.68 = 18,128.07 : x
  2. Step 2: Convert to fraction form
    27,205.11/37,558.68 = 18,128.07/x
  3. Step 3: Cross multiply
    27,205.11x = 37,558.68 × 18,128.07
  4. Step 4: Simplify right side
    27,205.11x = 680,866,380.15
  5. Step 5: Solve for x
    x = 680,866,380.15/27,205.11
  6. Step 6: Final answer
    x = 25,027.15

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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.