Home / 27,860.09-41,790.16-9,861.70

Finding the Fourth Proportional to 27,860.09, 41,790.16 and 9,861.70

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Solution

The fourth proportional to 27,860.09, 41,790.16 and 9,861.70 is: 14,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.09 : 41,790.16 = 9,861.70 : x
  2. Step 2: Convert to fraction form
    27,860.09/41,790.16 = 9,861.70/x
  3. Step 3: Cross multiply
    27,860.09x = 41,790.16 × 9,861.70
  4. Step 4: Simplify right side
    27,860.09x = 412,121,951.61
  5. Step 5: Solve for x
    x = 412,121,951.61/27,860.09
  6. Step 6: Final answer
    x = 14,792.56

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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.