Home / 26,940.47-40,410.69-12,153.62

Finding the Fourth Proportional to 26,940.47, 40,410.69 and 12,153.62

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Solution

The fourth proportional to 26,940.47, 40,410.69 and 12,153.62 is: 18,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.47 : 40,410.69 = 12,153.62 : x
  2. Step 2: Convert to fraction form
    26,940.47/40,410.69 = 12,153.62/x
  3. Step 3: Cross multiply
    26,940.47x = 40,410.69 × 12,153.62
  4. Step 4: Simplify right side
    26,940.47x = 491,135,968.14
  5. Step 5: Solve for x
    x = 491,135,968.14/26,940.47
  6. Step 6: Final answer
    x = 18,230.42

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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.