Home / 27,136.80-37,449.27-15,200.10

Finding the Fourth Proportional to 27,136.80, 37,449.27 and 15,200.10

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Solution

The fourth proportional to 27,136.80, 37,449.27 and 15,200.10 is: 20,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.80 : 37,449.27 = 15,200.10 : x
  2. Step 2: Convert to fraction form
    27,136.80/37,449.27 = 15,200.10/x
  3. Step 3: Cross multiply
    27,136.80x = 37,449.27 × 15,200.10
  4. Step 4: Simplify right side
    27,136.80x = 569,232,648.93
  5. Step 5: Solve for x
    x = 569,232,648.93/27,136.80
  6. Step 6: Final answer
    x = 20,976.41

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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.