Home / 28,942.74-43,380.60-13,327.56

Finding the Fourth Proportional to 28,942.74, 43,380.60 and 13,327.56

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Solution

The fourth proportional to 28,942.74, 43,380.60 and 13,327.56 is: 19,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.74 : 43,380.60 = 13,327.56 : x
  2. Step 2: Convert to fraction form
    28,942.74/43,380.60 = 13,327.56/x
  3. Step 3: Cross multiply
    28,942.74x = 43,380.60 × 13,327.56
  4. Step 4: Simplify right side
    28,942.74x = 578,157,549.34
  5. Step 5: Solve for x
    x = 578,157,549.34/28,942.74
  6. Step 6: Final answer
    x = 19,975.91

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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.