Home / 27,361.68-37,758.24-15,424.32

Finding the Fourth Proportional to 27,361.68, 37,758.24 and 15,424.32

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Solution

The fourth proportional to 27,361.68, 37,758.24 and 15,424.32 is: 21,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.68 : 37,758.24 = 15,424.32 : x
  2. Step 2: Convert to fraction form
    27,361.68/37,758.24 = 15,424.32/x
  3. Step 3: Cross multiply
    27,361.68x = 37,758.24 × 15,424.32
  4. Step 4: Simplify right side
    27,361.68x = 582,395,176.40
  5. Step 5: Solve for x
    x = 582,395,176.40/27,361.68
  6. Step 6: Final answer
    x = 21,285.07

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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.