Home / 27,615.93-38,110.19-15,040.41

Finding the Fourth Proportional to 27,615.93, 38,110.19 and 15,040.41

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Solution

The fourth proportional to 27,615.93, 38,110.19 and 15,040.41 is: 20,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.93 : 38,110.19 = 15,040.41 : x
  2. Step 2: Convert to fraction form
    27,615.93/38,110.19 = 15,040.41/x
  3. Step 3: Cross multiply
    27,615.93x = 38,110.19 × 15,040.41
  4. Step 4: Simplify right side
    27,615.93x = 573,192,807.58
  5. Step 5: Solve for x
    x = 573,192,807.58/27,615.93
  6. Step 6: Final answer
    x = 20,755.88

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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.