Home / 28,175.73-38,886.78-16,076.15

Finding the Fourth Proportional to 28,175.73, 38,886.78 and 16,076.15

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Solution

The fourth proportional to 28,175.73, 38,886.78 and 16,076.15 is: 22,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.73 : 38,886.78 = 16,076.15 : x
  2. Step 2: Convert to fraction form
    28,175.73/38,886.78 = 16,076.15/x
  3. Step 3: Cross multiply
    28,175.73x = 38,886.78 × 16,076.15
  4. Step 4: Simplify right side
    28,175.73x = 625,149,848.28
  5. Step 5: Solve for x
    x = 625,149,848.28/28,175.73
  6. Step 6: Final answer
    x = 22,187.53

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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.