Home / 28,880.37-43,322.18-8,102.25

Finding the Fourth Proportional to 28,880.37, 43,322.18 and 8,102.25

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Solution

The fourth proportional to 28,880.37, 43,322.18 and 8,102.25 is: 12,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.37 : 43,322.18 = 8,102.25 : x
  2. Step 2: Convert to fraction form
    28,880.37/43,322.18 = 8,102.25/x
  3. Step 3: Cross multiply
    28,880.37x = 43,322.18 × 8,102.25
  4. Step 4: Simplify right side
    28,880.37x = 351,007,092.39
  5. Step 5: Solve for x
    x = 351,007,092.39/28,880.37
  6. Step 6: Final answer
    x = 12,153.83

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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.