Home / 27,497.28-41,247.81-8,778.72

Finding the Fourth Proportional to 27,497.28, 41,247.81 and 8,778.72

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Solution

The fourth proportional to 27,497.28, 41,247.81 and 8,778.72 is: 13,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,497.28 : 41,247.81 = 8,778.72 : x
  2. Step 2: Convert to fraction form
    27,497.28/41,247.81 = 8,778.72/x
  3. Step 3: Cross multiply
    27,497.28x = 41,247.81 × 8,778.72
  4. Step 4: Simplify right side
    27,497.28x = 362,102,974.60
  5. Step 5: Solve for x
    x = 362,102,974.60/27,497.28
  6. Step 6: Final answer
    x = 13,168.68

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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.