Home / 26,777.90-40,172.52-10,137.62

Finding the Fourth Proportional to 26,777.90, 40,172.52 and 10,137.62

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Solution

The fourth proportional to 26,777.90, 40,172.52 and 10,137.62 is: 15,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.90 : 40,172.52 = 10,137.62 : x
  2. Step 2: Convert to fraction form
    26,777.90/40,172.52 = 10,137.62/x
  3. Step 3: Cross multiply
    26,777.90x = 40,172.52 × 10,137.62
  4. Step 4: Simplify right side
    26,777.90x = 407,253,742.20
  5. Step 5: Solve for x
    x = 407,253,742.20/26,777.90
  6. Step 6: Final answer
    x = 15,208.58

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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.