Home / 27,380.79-41,076.24-8,665.53

Finding the Fourth Proportional to 27,380.79, 41,076.24 and 8,665.53

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Solution

The fourth proportional to 27,380.79, 41,076.24 and 8,665.53 is: 12,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.79 : 41,076.24 = 8,665.53 : x
  2. Step 2: Convert to fraction form
    27,380.79/41,076.24 = 8,665.53/x
  3. Step 3: Cross multiply
    27,380.79x = 41,076.24 × 8,665.53
  4. Step 4: Simplify right side
    27,380.79x = 355,947,390.01
  5. Step 5: Solve for x
    x = 355,947,390.01/27,380.79
  6. Step 6: Final answer
    x = 12,999.89

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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.