Home / 26,035.44-35,890.20-20,436.72

Finding the Fourth Proportional to 26,035.44, 35,890.20 and 20,436.72

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Solution

The fourth proportional to 26,035.44, 35,890.20 and 20,436.72 is: 28,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,035.44 : 35,890.20 = 20,436.72 : x
  2. Step 2: Convert to fraction form
    26,035.44/35,890.20 = 20,436.72/x
  3. Step 3: Cross multiply
    26,035.44x = 35,890.20 × 20,436.72
  4. Step 4: Simplify right side
    26,035.44x = 733,477,968.14
  5. Step 5: Solve for x
    x = 733,477,968.14/26,035.44
  6. Step 6: Final answer
    x = 28,172.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.