Home / 27,778.07-41,671.43-9,305.75

Finding the Fourth Proportional to 27,778.07, 41,671.43 and 9,305.75

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Solution

The fourth proportional to 27,778.07, 41,671.43 and 9,305.75 is: 13,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.07 : 41,671.43 = 9,305.75 : x
  2. Step 2: Convert to fraction form
    27,778.07/41,671.43 = 9,305.75/x
  3. Step 3: Cross multiply
    27,778.07x = 41,671.43 × 9,305.75
  4. Step 4: Simplify right side
    27,778.07x = 387,783,909.72
  5. Step 5: Solve for x
    x = 387,783,909.72/27,778.07
  6. Step 6: Final answer
    x = 13,960.07

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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.