Home / 76,657.09-114,986.15-26,737

Finding the Fourth Proportional to 76,657.09, 114,986.15 and 26,737

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Solution

The fourth proportional to 76,657.09, 114,986.15 and 26,737 is: 40,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,657.09 : 114,986.15 = 26,737 : x
  2. Step 2: Convert to fraction form
    76,657.09/114,986.15 = 26,737/x
  3. Step 3: Cross multiply
    76,657.09x = 114,986.15 × 26,737
  4. Step 4: Simplify right side
    76,657.09x = 3,074,384,692.55
  5. Step 5: Solve for x
    x = 3,074,384,692.55/76,657.09
  6. Step 6: Final answer
    x = 40,105.68

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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.