Home / 65,515.60-98,289.96-26,072.56

Finding the Fourth Proportional to 65,515.60, 98,289.96 and 26,072.56

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Solution

The fourth proportional to 65,515.60, 98,289.96 and 26,072.56 is: 39,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,515.60 : 98,289.96 = 26,072.56 : x
  2. Step 2: Convert to fraction form
    65,515.60/98,289.96 = 26,072.56/x
  3. Step 3: Cross multiply
    65,515.60x = 98,289.96 × 26,072.56
  4. Step 4: Simplify right side
    65,515.60x = 2,562,670,879.50
  5. Step 5: Solve for x
    x = 2,562,670,879.50/65,515.60
  6. Step 6: Final answer
    x = 39,115.43

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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.