Home / 27,745.41-38,289.87-15,649.95

Finding the Fourth Proportional to 27,745.41, 38,289.87 and 15,649.95

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Solution

The fourth proportional to 27,745.41, 38,289.87 and 15,649.95 is: 21,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.41 : 38,289.87 = 15,649.95 : x
  2. Step 2: Convert to fraction form
    27,745.41/38,289.87 = 15,649.95/x
  3. Step 3: Cross multiply
    27,745.41x = 38,289.87 × 15,649.95
  4. Step 4: Simplify right side
    27,745.41x = 599,234,551.01
  5. Step 5: Solve for x
    x = 599,234,551.01/27,745.41
  6. Step 6: Final answer
    x = 21,597.61

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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.