Home / 69,558.40-104,363.20-28,009.60

Finding the Fourth Proportional to 69,558.40, 104,363.20 and 28,009.60

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Solution

The fourth proportional to 69,558.40, 104,363.20 and 28,009.60 is: 42,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,558.40 : 104,363.20 = 28,009.60 : x
  2. Step 2: Convert to fraction form
    69,558.40/104,363.20 = 28,009.60/x
  3. Step 3: Cross multiply
    69,558.40x = 104,363.20 × 28,009.60
  4. Step 4: Simplify right side
    69,558.40x = 2,923,171,486.72
  5. Step 5: Solve for x
    x = 2,923,171,486.72/69,558.40
  6. Step 6: Final answer
    x = 42,024.71

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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.