Home / 27,136.48-37,450.20-15,199.60

Finding the Fourth Proportional to 27,136.48, 37,450.20 and 15,199.60

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Solution

The fourth proportional to 27,136.48, 37,450.20 and 15,199.60 is: 20,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.48 : 37,450.20 = 15,199.60 : x
  2. Step 2: Convert to fraction form
    27,136.48/37,450.20 = 15,199.60/x
  3. Step 3: Cross multiply
    27,136.48x = 37,450.20 × 15,199.60
  4. Step 4: Simplify right side
    27,136.48x = 569,228,059.92
  5. Step 5: Solve for x
    x = 569,228,059.92/27,136.48
  6. Step 6: Final answer
    x = 20,976.49

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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.