Home / 26,826.96-40,248.68-12,804.88

Finding the Fourth Proportional to 26,826.96, 40,248.68 and 12,804.88

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Solution

The fourth proportional to 26,826.96, 40,248.68 and 12,804.88 is: 19,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.96 : 40,248.68 = 12,804.88 : x
  2. Step 2: Convert to fraction form
    26,826.96/40,248.68 = 12,804.88/x
  3. Step 3: Cross multiply
    26,826.96x = 40,248.68 × 12,804.88
  4. Step 4: Simplify right side
    26,826.96x = 515,379,517.56
  5. Step 5: Solve for x
    x = 515,379,517.56/26,826.96
  6. Step 6: Final answer
    x = 19,211.25

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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.