Home / 27,945.06-41,909.39-8,218.93

Finding the Fourth Proportional to 27,945.06, 41,909.39 and 8,218.93

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Solution

The fourth proportional to 27,945.06, 41,909.39 and 8,218.93 is: 12,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.06 : 41,909.39 = 8,218.93 : x
  2. Step 2: Convert to fraction form
    27,945.06/41,909.39 = 8,218.93/x
  3. Step 3: Cross multiply
    27,945.06x = 41,909.39 × 8,218.93
  4. Step 4: Simplify right side
    27,945.06x = 344,450,342.75
  5. Step 5: Solve for x
    x = 344,450,342.75/27,945.06
  6. Step 6: Final answer
    x = 12,325.98

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1.5x scale

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.