Home / 26,398.80-39,571.38-8,854.20

Finding the Fourth Proportional to 26,398.80, 39,571.38 and 8,854.20

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Solution

The fourth proportional to 26,398.80, 39,571.38 and 8,854.20 is: 13,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.80 : 39,571.38 = 8,854.20 : x
  2. Step 2: Convert to fraction form
    26,398.80/39,571.38 = 8,854.20/x
  3. Step 3: Cross multiply
    26,398.80x = 39,571.38 × 8,854.20
  4. Step 4: Simplify right side
    26,398.80x = 350,372,912.80
  5. Step 5: Solve for x
    x = 350,372,912.80/26,398.80
  6. Step 6: Final answer
    x = 13,272.30

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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.