Home / 28,144.44-38,857.04-18,076.96

Finding the Fourth Proportional to 28,144.44, 38,857.04 and 18,076.96

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Solution

The fourth proportional to 28,144.44, 38,857.04 and 18,076.96 is: 24,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.44 : 38,857.04 = 18,076.96 : x
  2. Step 2: Convert to fraction form
    28,144.44/38,857.04 = 18,076.96/x
  3. Step 3: Cross multiply
    28,144.44x = 38,857.04 × 18,076.96
  4. Step 4: Simplify right side
    28,144.44x = 702,417,157.80
  5. Step 5: Solve for x
    x = 702,417,157.80/28,144.44
  6. Step 6: Final answer
    x = 24,957.58

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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.