Home / 18,287.28-27,433.20-5,803.92

Finding the Fourth Proportional to 18,287.28, 27,433.20 and 5,803.92

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Solution

The fourth proportional to 18,287.28, 27,433.20 and 5,803.92 is: 8,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.28 : 27,433.20 = 5,803.92 : x
  2. Step 2: Convert to fraction form
    18,287.28/27,433.20 = 5,803.92/x
  3. Step 3: Cross multiply
    18,287.28x = 27,433.20 × 5,803.92
  4. Step 4: Simplify right side
    18,287.28x = 159,220,098.14
  5. Step 5: Solve for x
    x = 159,220,098.14/18,287.28
  6. Step 6: Final answer
    x = 8,706.60

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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.