Home / 28,199.41-38,912.60-16,260.44

Finding the Fourth Proportional to 28,199.41, 38,912.60 and 16,260.44

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Solution

The fourth proportional to 28,199.41, 38,912.60 and 16,260.44 is: 22,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.41 : 38,912.60 = 16,260.44 : x
  2. Step 2: Convert to fraction form
    28,199.41/38,912.60 = 16,260.44/x
  3. Step 3: Cross multiply
    28,199.41x = 38,912.60 × 16,260.44
  4. Step 4: Simplify right side
    28,199.41x = 632,735,843.63
  5. Step 5: Solve for x
    x = 632,735,843.63/28,199.41
  6. Step 6: Final answer
    x = 22,437.91

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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.