Home / 28,778.74-43,168.21-14,731.10

Finding the Fourth Proportional to 28,778.74, 43,168.21 and 14,731.10

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Solution

The fourth proportional to 28,778.74, 43,168.21 and 14,731.10 is: 22,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.74 : 43,168.21 = 14,731.10 : x
  2. Step 2: Convert to fraction form
    28,778.74/43,168.21 = 14,731.10/x
  3. Step 3: Cross multiply
    28,778.74x = 43,168.21 × 14,731.10
  4. Step 4: Simplify right side
    28,778.74x = 635,915,218.33
  5. Step 5: Solve for x
    x = 635,915,218.33/28,778.74
  6. Step 6: Final answer
    x = 22,096.70

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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.