Home / 26,455.03-39,680.62-12,418.27

Finding the Fourth Proportional to 26,455.03, 39,680.62 and 12,418.27

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Solution

The fourth proportional to 26,455.03, 39,680.62 and 12,418.27 is: 18,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.03 : 39,680.62 = 12,418.27 : x
  2. Step 2: Convert to fraction form
    26,455.03/39,680.62 = 12,418.27/x
  3. Step 3: Cross multiply
    26,455.03x = 39,680.62 × 12,418.27
  4. Step 4: Simplify right side
    26,455.03x = 492,764,522.68
  5. Step 5: Solve for x
    x = 492,764,522.68/26,455.03
  6. Step 6: Final answer
    x = 18,626.50

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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.