Home / 26,397.80-39,619.10-10,826.60

Finding the Fourth Proportional to 26,397.80, 39,619.10 and 10,826.60

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Solution

The fourth proportional to 26,397.80, 39,619.10 and 10,826.60 is: 16,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397.80 : 39,619.10 = 10,826.60 : x
  2. Step 2: Convert to fraction form
    26,397.80/39,619.10 = 10,826.60/x
  3. Step 3: Cross multiply
    26,397.80x = 39,619.10 × 10,826.60
  4. Step 4: Simplify right side
    26,397.80x = 428,940,148.06
  5. Step 5: Solve for x
    x = 428,940,148.06/26,397.80
  6. Step 6: Final answer
    x = 16,249.09

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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.