Home / 27,361.14-37,756.11-15,427.41

Finding the Fourth Proportional to 27,361.14, 37,756.11 and 15,427.41

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Solution

The fourth proportional to 27,361.14, 37,756.11 and 15,427.41 is: 21,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.14 : 37,756.11 = 15,427.41 : x
  2. Step 2: Convert to fraction form
    27,361.14/37,756.11 = 15,427.41/x
  3. Step 3: Cross multiply
    27,361.14x = 37,756.11 × 15,427.41
  4. Step 4: Simplify right side
    27,361.14x = 582,478,988.98
  5. Step 5: Solve for x
    x = 582,478,988.98/27,361.14
  6. Step 6: Final answer
    x = 21,288.55

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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.