Home / 26,535.54-39,770.49-13,380.72

Finding the Fourth Proportional to 26,535.54, 39,770.49 and 13,380.72

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Solution

The fourth proportional to 26,535.54, 39,770.49 and 13,380.72 is: 20,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,535.54 : 39,770.49 = 13,380.72 : x
  2. Step 2: Convert to fraction form
    26,535.54/39,770.49 = 13,380.72/x
  3. Step 3: Cross multiply
    26,535.54x = 39,770.49 × 13,380.72
  4. Step 4: Simplify right side
    26,535.54x = 532,157,790.95
  5. Step 5: Solve for x
    x = 532,157,790.95/26,535.54
  6. Step 6: Final answer
    x = 20,054.53

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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.