Home / 26,999.96-40,513.60-18,216.42

Finding the Fourth Proportional to 26,999.96, 40,513.60 and 18,216.42

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Solution

The fourth proportional to 26,999.96, 40,513.60 and 18,216.42 is: 27,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.96 : 40,513.60 = 18,216.42 : x
  2. Step 2: Convert to fraction form
    26,999.96/40,513.60 = 18,216.42/x
  3. Step 3: Cross multiply
    26,999.96x = 40,513.60 × 18,216.42
  4. Step 4: Simplify right side
    26,999.96x = 738,012,753.31
  5. Step 5: Solve for x
    x = 738,012,753.31/26,999.96
  6. Step 6: Final answer
    x = 27,333.85

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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.