Home / 28,076.44-42,084.42-14,915.56

Finding the Fourth Proportional to 28,076.44, 42,084.42 and 14,915.56

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Solution

The fourth proportional to 28,076.44, 42,084.42 and 14,915.56 is: 22,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.44 : 42,084.42 = 14,915.56 : x
  2. Step 2: Convert to fraction form
    28,076.44/42,084.42 = 14,915.56/x
  3. Step 3: Cross multiply
    28,076.44x = 42,084.42 × 14,915.56
  4. Step 4: Simplify right side
    28,076.44x = 627,712,691.58
  5. Step 5: Solve for x
    x = 627,712,691.58/28,076.44
  6. Step 6: Final answer
    x = 22,357.28

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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.