Home / 26,355.87-39,538.61-12,504.75

Finding the Fourth Proportional to 26,355.87, 39,538.61 and 12,504.75

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Solution

The fourth proportional to 26,355.87, 39,538.61 and 12,504.75 is: 18,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.87 : 39,538.61 = 12,504.75 : x
  2. Step 2: Convert to fraction form
    26,355.87/39,538.61 = 12,504.75/x
  3. Step 3: Cross multiply
    26,355.87x = 39,538.61 × 12,504.75
  4. Step 4: Simplify right side
    26,355.87x = 494,420,370.87
  5. Step 5: Solve for x
    x = 494,420,370.87/26,355.87
  6. Step 6: Final answer
    x = 18,759.40

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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.