Home / 28,621.44-42,943.92-16,126.08

Finding the Fourth Proportional to 28,621.44, 42,943.92 and 16,126.08

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Solution

The fourth proportional to 28,621.44, 42,943.92 and 16,126.08 is: 24,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.44 : 42,943.92 = 16,126.08 : x
  2. Step 2: Convert to fraction form
    28,621.44/42,943.92 = 16,126.08/x
  3. Step 3: Cross multiply
    28,621.44x = 42,943.92 × 16,126.08
  4. Step 4: Simplify right side
    28,621.44x = 692,517,089.43
  5. Step 5: Solve for x
    x = 692,517,089.43/28,621.44
  6. Step 6: Final answer
    x = 24,195.75

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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.