Home / 28,619.44-42,940.92-16,124.08

Finding the Fourth Proportional to 28,619.44, 42,940.92 and 16,124.08

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Solution

The fourth proportional to 28,619.44, 42,940.92 and 16,124.08 is: 24,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.44 : 42,940.92 = 16,124.08 : x
  2. Step 2: Convert to fraction form
    28,619.44/42,940.92 = 16,124.08/x
  3. Step 3: Cross multiply
    28,619.44x = 42,940.92 × 16,124.08
  4. Step 4: Simplify right side
    28,619.44x = 692,382,829.35
  5. Step 5: Solve for x
    x = 692,382,829.35/28,619.44
  6. Step 6: Final answer
    x = 24,192.75

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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.