Home / 26,636.82-39,950.28-8,867.76

Finding the Fourth Proportional to 26,636.82, 39,950.28 and 8,867.76

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Solution

The fourth proportional to 26,636.82, 39,950.28 and 8,867.76 is: 13,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.82 : 39,950.28 = 8,867.76 : x
  2. Step 2: Convert to fraction form
    26,636.82/39,950.28 = 8,867.76/x
  3. Step 3: Cross multiply
    26,636.82x = 39,950.28 × 8,867.76
  4. Step 4: Simplify right side
    26,636.82x = 354,269,494.97
  5. Step 5: Solve for x
    x = 354,269,494.97/26,636.82
  6. Step 6: Final answer
    x = 13,299.99

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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.