Home / 27,619.46-38,137.36-22,515.80

Finding the Fourth Proportional to 27,619.46, 38,137.36 and 22,515.80

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Solution

The fourth proportional to 27,619.46, 38,137.36 and 22,515.80 is: 31,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.46 : 38,137.36 = 22,515.80 : x
  2. Step 2: Convert to fraction form
    27,619.46/38,137.36 = 22,515.80/x
  3. Step 3: Cross multiply
    27,619.46x = 38,137.36 × 22,515.80
  4. Step 4: Simplify right side
    27,619.46x = 858,693,170.29
  5. Step 5: Solve for x
    x = 858,693,170.29/27,619.46
  6. Step 6: Final answer
    x = 31,090.15

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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.