Home / 28,620.44-42,942.42-16,125.08

Finding the Fourth Proportional to 28,620.44, 42,942.42 and 16,125.08

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Solution

The fourth proportional to 28,620.44, 42,942.42 and 16,125.08 is: 24,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.44 : 42,942.42 = 16,125.08 : x
  2. Step 2: Convert to fraction form
    28,620.44/42,942.42 = 16,125.08/x
  3. Step 3: Cross multiply
    28,620.44x = 42,942.42 × 16,125.08
  4. Step 4: Simplify right side
    28,620.44x = 692,449,957.89
  5. Step 5: Solve for x
    x = 692,449,957.89/28,620.44
  6. Step 6: Final answer
    x = 24,194.25

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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.