Home / 29,072.40-43,608.60-28,489.20

Finding the Fourth Proportional to 29,072.40, 43,608.60 and 28,489.20

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Solution

The fourth proportional to 29,072.40, 43,608.60 and 28,489.20 is: 42,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.40 : 43,608.60 = 28,489.20 : x
  2. Step 2: Convert to fraction form
    29,072.40/43,608.60 = 28,489.20/x
  3. Step 3: Cross multiply
    29,072.40x = 43,608.60 × 28,489.20
  4. Step 4: Simplify right side
    29,072.40x = 1,242,374,127.12
  5. Step 5: Solve for x
    x = 1,242,374,127.12/29,072.40
  6. Step 6: Final answer
    x = 42,733.80

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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.