Home / 28,755.45-39,682.44-16,180.20

Finding the Fourth Proportional to 28,755.45, 39,682.44 and 16,180.20

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Solution

The fourth proportional to 28,755.45, 39,682.44 and 16,180.20 is: 22,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.45 : 39,682.44 = 16,180.20 : x
  2. Step 2: Convert to fraction form
    28,755.45/39,682.44 = 16,180.20/x
  3. Step 3: Cross multiply
    28,755.45x = 39,682.44 × 16,180.20
  4. Step 4: Simplify right side
    28,755.45x = 642,069,815.69
  5. Step 5: Solve for x
    x = 642,069,815.69/28,755.45
  6. Step 6: Final answer
    x = 22,328.63

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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.