Home / 28,076.88-38,734.56-16,137.48

Finding the Fourth Proportional to 28,076.88, 38,734.56 and 16,137.48

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Solution

The fourth proportional to 28,076.88, 38,734.56 and 16,137.48 is: 22,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.88 : 38,734.56 = 16,137.48 : x
  2. Step 2: Convert to fraction form
    28,076.88/38,734.56 = 16,137.48/x
  3. Step 3: Cross multiply
    28,076.88x = 38,734.56 × 16,137.48
  4. Step 4: Simplify right side
    28,076.88x = 625,078,187.31
  5. Step 5: Solve for x
    x = 625,078,187.31/28,076.88
  6. Step 6: Final answer
    x = 22,263.09

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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.