Home / 26,968.53-37,220.16-15,487.99

Finding the Fourth Proportional to 26,968.53, 37,220.16 and 15,487.99

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Solution

The fourth proportional to 26,968.53, 37,220.16 and 15,487.99 is: 21,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.53 : 37,220.16 = 15,487.99 : x
  2. Step 2: Convert to fraction form
    26,968.53/37,220.16 = 15,487.99/x
  3. Step 3: Cross multiply
    26,968.53x = 37,220.16 × 15,487.99
  4. Step 4: Simplify right side
    26,968.53x = 576,465,388.44
  5. Step 5: Solve for x
    x = 576,465,388.44/26,968.53
  6. Step 6: Final answer
    x = 21,375.49

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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.