Home / 28,076.58-38,747.14-16,141.04

Finding the Fourth Proportional to 28,076.58, 38,747.14 and 16,141.04

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Solution

The fourth proportional to 28,076.58, 38,747.14 and 16,141.04 is: 22,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.58 : 38,747.14 = 16,141.04 : x
  2. Step 2: Convert to fraction form
    28,076.58/38,747.14 = 16,141.04/x
  3. Step 3: Cross multiply
    28,076.58x = 38,747.14 × 16,141.04
  4. Step 4: Simplify right side
    28,076.58x = 625,419,136.63
  5. Step 5: Solve for x
    x = 625,419,136.63/28,076.58
  6. Step 6: Final answer
    x = 22,275.47

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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.