Home / 28,851.44-39,815.70-16,277

Finding the Fourth Proportional to 28,851.44, 39,815.70 and 16,277

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Solution

The fourth proportional to 28,851.44, 39,815.70 and 16,277 is: 22,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.44 : 39,815.70 = 16,277 : x
  2. Step 2: Convert to fraction form
    28,851.44/39,815.70 = 16,277/x
  3. Step 3: Cross multiply
    28,851.44x = 39,815.70 × 16,277
  4. Step 4: Simplify right side
    28,851.44x = 648,080,148.90
  5. Step 5: Solve for x
    x = 648,080,148.90/28,851.44
  6. Step 6: Final answer
    x = 22,462.66

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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.