Home / 27,072.90-37,361.79-15,136.20

Finding the Fourth Proportional to 27,072.90, 37,361.79 and 15,136.20

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Solution

The fourth proportional to 27,072.90, 37,361.79 and 15,136.20 is: 20,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.90 : 37,361.79 = 15,136.20 : x
  2. Step 2: Convert to fraction form
    27,072.90/37,361.79 = 15,136.20/x
  3. Step 3: Cross multiply
    27,072.90x = 37,361.79 × 15,136.20
  4. Step 4: Simplify right side
    27,072.90x = 565,515,525.80
  5. Step 5: Solve for x
    x = 565,515,525.80/27,072.90
  6. Step 6: Final answer
    x = 20,888.62

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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.