Home / 28,216.56-38,942.81-17,464.88

Finding the Fourth Proportional to 28,216.56, 38,942.81 and 17,464.88

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Solution

The fourth proportional to 28,216.56, 38,942.81 and 17,464.88 is: 24,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.56 : 38,942.81 = 17,464.88 : x
  2. Step 2: Convert to fraction form
    28,216.56/38,942.81 = 17,464.88/x
  3. Step 3: Cross multiply
    28,216.56x = 38,942.81 × 17,464.88
  4. Step 4: Simplify right side
    28,216.56x = 680,131,579.04
  5. Step 5: Solve for x
    x = 680,131,579.04/28,216.56
  6. Step 6: Final answer
    x = 24,103.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.