Home / 26,769.26-36,941.56-15,438.60

Finding the Fourth Proportional to 26,769.26, 36,941.56 and 15,438.60

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Solution

The fourth proportional to 26,769.26, 36,941.56 and 15,438.60 is: 21,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.26 : 36,941.56 = 15,438.60 : x
  2. Step 2: Convert to fraction form
    26,769.26/36,941.56 = 15,438.60/x
  3. Step 3: Cross multiply
    26,769.26x = 36,941.56 × 15,438.60
  4. Step 4: Simplify right side
    26,769.26x = 570,325,968.22
  5. Step 5: Solve for x
    x = 570,325,968.22/26,769.26
  6. Step 6: Final answer
    x = 21,305.26

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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.