Home / 26,280.70-39,419.94-12,235.90

Finding the Fourth Proportional to 26,280.70, 39,419.94 and 12,235.90

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Solution

The fourth proportional to 26,280.70, 39,419.94 and 12,235.90 is: 18,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.70 : 39,419.94 = 12,235.90 : x
  2. Step 2: Convert to fraction form
    26,280.70/39,419.94 = 12,235.90/x
  3. Step 3: Cross multiply
    26,280.70x = 39,419.94 × 12,235.90
  4. Step 4: Simplify right side
    26,280.70x = 482,338,443.85
  5. Step 5: Solve for x
    x = 482,338,443.85/26,280.70
  6. Step 6: Final answer
    x = 18,353.33

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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.