Home / 18,286.28-27,431.70-5,802.92

Finding the Fourth Proportional to 18,286.28, 27,431.70 and 5,802.92

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Solution

The fourth proportional to 18,286.28, 27,431.70 and 5,802.92 is: 8,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.28 : 27,431.70 = 5,802.92 : x
  2. Step 2: Convert to fraction form
    18,286.28/27,431.70 = 5,802.92/x
  3. Step 3: Cross multiply
    18,286.28x = 27,431.70 × 5,802.92
  4. Step 4: Simplify right side
    18,286.28x = 159,183,960.56
  5. Step 5: Solve for x
    x = 159,183,960.56/18,286.28
  6. Step 6: Final answer
    x = 8,705.10

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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.