Home / 28,777.14-43,172.19-11,251.98

Finding the Fourth Proportional to 28,777.14, 43,172.19 and 11,251.98

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Solution

The fourth proportional to 28,777.14, 43,172.19 and 11,251.98 is: 16,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.14 : 43,172.19 = 11,251.98 : x
  2. Step 2: Convert to fraction form
    28,777.14/43,172.19 = 11,251.98/x
  3. Step 3: Cross multiply
    28,777.14x = 43,172.19 × 11,251.98
  4. Step 4: Simplify right side
    28,777.14x = 485,772,618.44
  5. Step 5: Solve for x
    x = 485,772,618.44/28,777.14
  6. Step 6: Final answer
    x = 16,880.50

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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.