Home / 26,777.94-36,955.26-15,449.55

Finding the Fourth Proportional to 26,777.94, 36,955.26 and 15,449.55

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Solution

The fourth proportional to 26,777.94, 36,955.26 and 15,449.55 is: 21,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.94 : 36,955.26 = 15,449.55 : x
  2. Step 2: Convert to fraction form
    26,777.94/36,955.26 = 15,449.55/x
  3. Step 3: Cross multiply
    26,777.94x = 36,955.26 × 15,449.55
  4. Step 4: Simplify right side
    26,777.94x = 570,942,137.13
  5. Step 5: Solve for x
    x = 570,942,137.13/26,777.94
  6. Step 6: Final answer
    x = 21,321.36

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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.