Home / 18,679.92-28,025.29-5,532.60

Finding the Fourth Proportional to 18,679.92, 28,025.29 and 5,532.60

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Solution

The fourth proportional to 18,679.92, 28,025.29 and 5,532.60 is: 8,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.92 : 28,025.29 = 5,532.60 : x
  2. Step 2: Convert to fraction form
    18,679.92/28,025.29 = 5,532.60/x
  3. Step 3: Cross multiply
    18,679.92x = 28,025.29 × 5,532.60
  4. Step 4: Simplify right side
    18,679.92x = 155,052,831.46
  5. Step 5: Solve for x
    x = 155,052,831.46/18,679.92
  6. Step 6: Final answer
    x = 8,300.51

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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.