Home / 18,880.77-28,321.20-5,733.24

Finding the Fourth Proportional to 18,880.77, 28,321.20 and 5,733.24

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Solution

The fourth proportional to 18,880.77, 28,321.20 and 5,733.24 is: 8,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.77 : 28,321.20 = 5,733.24 : x
  2. Step 2: Convert to fraction form
    18,880.77/28,321.20 = 5,733.24/x
  3. Step 3: Cross multiply
    18,880.77x = 28,321.20 × 5,733.24
  4. Step 4: Simplify right side
    18,880.77x = 162,372,236.69
  5. Step 5: Solve for x
    x = 162,372,236.69/18,880.77
  6. Step 6: Final answer
    x = 8,599.87

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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.