Home / 27,170.88-37,491.74-15,528.21

Finding the Fourth Proportional to 27,170.88, 37,491.74 and 15,528.21

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Solution

The fourth proportional to 27,170.88, 37,491.74 and 15,528.21 is: 21,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.88 : 37,491.74 = 15,528.21 : x
  2. Step 2: Convert to fraction form
    27,170.88/37,491.74 = 15,528.21/x
  3. Step 3: Cross multiply
    27,170.88x = 37,491.74 × 15,528.21
  4. Step 4: Simplify right side
    27,170.88x = 582,179,611.99
  5. Step 5: Solve for x
    x = 582,179,611.99/27,170.88
  6. Step 6: Final answer
    x = 21,426.60

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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.