Home / 26,405.97-39,600.66-8,871.69

Finding the Fourth Proportional to 26,405.97, 39,600.66 and 8,871.69

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Solution

The fourth proportional to 26,405.97, 39,600.66 and 8,871.69 is: 13,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.97 : 39,600.66 = 8,871.69 : x
  2. Step 2: Convert to fraction form
    26,405.97/39,600.66 = 8,871.69/x
  3. Step 3: Cross multiply
    26,405.97x = 39,600.66 × 8,871.69
  4. Step 4: Simplify right side
    26,405.97x = 351,324,779.32
  5. Step 5: Solve for x
    x = 351,324,779.32/26,405.97
  6. Step 6: Final answer
    x = 13,304.75

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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.