Home / 28,731.21-43,096.46-11,213.34

Finding the Fourth Proportional to 28,731.21, 43,096.46 and 11,213.34

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Solution

The fourth proportional to 28,731.21, 43,096.46 and 11,213.34 is: 16,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.21 : 43,096.46 = 11,213.34 : x
  2. Step 2: Convert to fraction form
    28,731.21/43,096.46 = 11,213.34/x
  3. Step 3: Cross multiply
    28,731.21x = 43,096.46 × 11,213.34
  4. Step 4: Simplify right side
    28,731.21x = 483,255,202.71
  5. Step 5: Solve for x
    x = 483,255,202.71/28,731.21
  6. Step 6: Final answer
    x = 16,819.87

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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.