Home / 27,361.37-37,758.15-15,424.47

Finding the Fourth Proportional to 27,361.37, 37,758.15 and 15,424.47

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Solution

The fourth proportional to 27,361.37, 37,758.15 and 15,424.47 is: 21,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.37 : 37,758.15 = 15,424.47 : x
  2. Step 2: Convert to fraction form
    27,361.37/37,758.15 = 15,424.47/x
  3. Step 3: Cross multiply
    27,361.37x = 37,758.15 × 15,424.47
  4. Step 4: Simplify right side
    27,361.37x = 582,399,451.93
  5. Step 5: Solve for x
    x = 582,399,451.93/27,361.37
  6. Step 6: Final answer
    x = 21,285.47

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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.