Home / 28,963.58-39,960.45-16,214.89

Finding the Fourth Proportional to 28,963.58, 39,960.45 and 16,214.89

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Solution

The fourth proportional to 28,963.58, 39,960.45 and 16,214.89 is: 22,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.58 : 39,960.45 = 16,214.89 : x
  2. Step 2: Convert to fraction form
    28,963.58/39,960.45 = 16,214.89/x
  3. Step 3: Cross multiply
    28,963.58x = 39,960.45 × 16,214.89
  4. Step 4: Simplify right side
    28,963.58x = 647,954,201.20
  5. Step 5: Solve for x
    x = 647,954,201.20/28,963.58
  6. Step 6: Final answer
    x = 22,371.34

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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.