Home / 26,403.44-39,609.72-8,873.36

Finding the Fourth Proportional to 26,403.44, 39,609.72 and 8,873.36

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Solution

The fourth proportional to 26,403.44, 39,609.72 and 8,873.36 is: 13,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.44 : 39,609.72 = 8,873.36 : x
  2. Step 2: Convert to fraction form
    26,403.44/39,609.72 = 8,873.36/x
  3. Step 3: Cross multiply
    26,403.44x = 39,609.72 × 8,873.36
  4. Step 4: Simplify right side
    26,403.44x = 351,471,305.06
  5. Step 5: Solve for x
    x = 351,471,305.06/26,403.44
  6. Step 6: Final answer
    x = 13,311.57

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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.