Home / 27,361.01-37,758.20-15,424.35

Finding the Fourth Proportional to 27,361.01, 37,758.20 and 15,424.35

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Solution

The fourth proportional to 27,361.01, 37,758.20 and 15,424.35 is: 21,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.01 : 37,758.20 = 15,424.35 : x
  2. Step 2: Convert to fraction form
    27,361.01/37,758.20 = 15,424.35/x
  3. Step 3: Cross multiply
    27,361.01x = 37,758.20 × 15,424.35
  4. Step 4: Simplify right side
    27,361.01x = 582,395,615.05
  5. Step 5: Solve for x
    x = 582,395,615.05/27,361.01
  6. Step 6: Final answer
    x = 21,285.60

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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.