Home / 28,849.52-39,815.88-16,274

Finding the Fourth Proportional to 28,849.52, 39,815.88 and 16,274

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Solution

The fourth proportional to 28,849.52, 39,815.88 and 16,274 is: 22,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.52 : 39,815.88 = 16,274 : x
  2. Step 2: Convert to fraction form
    28,849.52/39,815.88 = 16,274/x
  3. Step 3: Cross multiply
    28,849.52x = 39,815.88 × 16,274
  4. Step 4: Simplify right side
    28,849.52x = 647,963,631.12
  5. Step 5: Solve for x
    x = 647,963,631.12/28,849.52
  6. Step 6: Final answer
    x = 22,460.12

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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.