Home / 26,286.82-39,427.56-8,754.76

Finding the Fourth Proportional to 26,286.82, 39,427.56 and 8,754.76

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Solution

The fourth proportional to 26,286.82, 39,427.56 and 8,754.76 is: 13,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.82 : 39,427.56 = 8,754.76 : x
  2. Step 2: Convert to fraction form
    26,286.82/39,427.56 = 8,754.76/x
  3. Step 3: Cross multiply
    26,286.82x = 39,427.56 × 8,754.76
  4. Step 4: Simplify right side
    26,286.82x = 345,178,825.19
  5. Step 5: Solve for x
    x = 345,178,825.19/26,286.82
  6. Step 6: Final answer
    x = 13,131.25

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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.