Home / 38,949.12-58,440.96-28,944

Finding the Fourth Proportional to 38,949.12, 58,440.96 and 28,944

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Solution

The fourth proportional to 38,949.12, 58,440.96 and 28,944 is: 43,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.12 : 58,440.96 = 28,944 : x
  2. Step 2: Convert to fraction form
    38,949.12/58,440.96 = 28,944/x
  3. Step 3: Cross multiply
    38,949.12x = 58,440.96 × 28,944
  4. Step 4: Simplify right side
    38,949.12x = 1,691,515,146.24
  5. Step 5: Solve for x
    x = 1,691,515,146.24/38,949.12
  6. Step 6: Final answer
    x = 43,428.84

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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.