Home / 28,571.47-39,433.43-16,641.89

Finding the Fourth Proportional to 28,571.47, 39,433.43 and 16,641.89

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Solution

The fourth proportional to 28,571.47, 39,433.43 and 16,641.89 is: 22,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.47 : 39,433.43 = 16,641.89 : x
  2. Step 2: Convert to fraction form
    28,571.47/39,433.43 = 16,641.89/x
  3. Step 3: Cross multiply
    28,571.47x = 39,433.43 × 16,641.89
  4. Step 4: Simplify right side
    28,571.47x = 656,246,796.70
  5. Step 5: Solve for x
    x = 656,246,796.70/28,571.47
  6. Step 6: Final answer
    x = 22,968.61

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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.