Home / 28,829.88-39,787.06-16,255.44

Finding the Fourth Proportional to 28,829.88, 39,787.06 and 16,255.44

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Solution

The fourth proportional to 28,829.88, 39,787.06 and 16,255.44 is: 22,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.88 : 39,787.06 = 16,255.44 : x
  2. Step 2: Convert to fraction form
    28,829.88/39,787.06 = 16,255.44/x
  3. Step 3: Cross multiply
    28,829.88x = 39,787.06 × 16,255.44
  4. Step 4: Simplify right side
    28,829.88x = 646,756,166.61
  5. Step 5: Solve for x
    x = 646,756,166.61/28,829.88
  6. Step 6: Final answer
    x = 22,433.54

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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.