Home / 26,289.84-39,428.27-12,236.54

Finding the Fourth Proportional to 26,289.84, 39,428.27 and 12,236.54

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Solution

The fourth proportional to 26,289.84, 39,428.27 and 12,236.54 is: 18,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.84 : 39,428.27 = 12,236.54 : x
  2. Step 2: Convert to fraction form
    26,289.84/39,428.27 = 12,236.54/x
  3. Step 3: Cross multiply
    26,289.84x = 39,428.27 × 12,236.54
  4. Step 4: Simplify right side
    26,289.84x = 482,465,723.22
  5. Step 5: Solve for x
    x = 482,465,723.22/26,289.84
  6. Step 6: Final answer
    x = 18,351.79

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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.