Home / 26,845.55-40,237.94-13,670.09

Finding the Fourth Proportional to 26,845.55, 40,237.94 and 13,670.09

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Solution

The fourth proportional to 26,845.55, 40,237.94 and 13,670.09 is: 20,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.55 : 40,237.94 = 13,670.09 : x
  2. Step 2: Convert to fraction form
    26,845.55/40,237.94 = 13,670.09/x
  3. Step 3: Cross multiply
    26,845.55x = 40,237.94 × 13,670.09
  4. Step 4: Simplify right side
    26,845.55x = 550,056,126.44
  5. Step 5: Solve for x
    x = 550,056,126.44/26,845.55
  6. Step 6: Final answer
    x = 20,489.66

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1.5x scale

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.