Home / 26,172.14-39,252.66-8,637.80

Finding the Fourth Proportional to 26,172.14, 39,252.66 and 8,637.80

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Solution

The fourth proportional to 26,172.14, 39,252.66 and 8,637.80 is: 12,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.14 : 39,252.66 = 8,637.80 : x
  2. Step 2: Convert to fraction form
    26,172.14/39,252.66 = 8,637.80/x
  3. Step 3: Cross multiply
    26,172.14x = 39,252.66 × 8,637.80
  4. Step 4: Simplify right side
    26,172.14x = 339,056,626.55
  5. Step 5: Solve for x
    x = 339,056,626.55/26,172.14
  6. Step 6: Final answer
    x = 12,954.87

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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.