Home / 27,361.10-37,757.80-15,424.45

Finding the Fourth Proportional to 27,361.10, 37,757.80 and 15,424.45

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Solution

The fourth proportional to 27,361.10, 37,757.80 and 15,424.45 is: 21,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.10 : 37,757.80 = 15,424.45 : x
  2. Step 2: Convert to fraction form
    27,361.10/37,757.80 = 15,424.45/x
  3. Step 3: Cross multiply
    27,361.10x = 37,757.80 × 15,424.45
  4. Step 4: Simplify right side
    27,361.10x = 582,393,223.10
  5. Step 5: Solve for x
    x = 582,393,223.10/27,361.10
  6. Step 6: Final answer
    x = 21,285.44

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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.