Home / 28,867.52-39,840.84-16,292

Finding the Fourth Proportional to 28,867.52, 39,840.84 and 16,292

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Solution

The fourth proportional to 28,867.52, 39,840.84 and 16,292 is: 22,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.52 : 39,840.84 = 16,292 : x
  2. Step 2: Convert to fraction form
    28,867.52/39,840.84 = 16,292/x
  3. Step 3: Cross multiply
    28,867.52x = 39,840.84 × 16,292
  4. Step 4: Simplify right side
    28,867.52x = 649,086,965.28
  5. Step 5: Solve for x
    x = 649,086,965.28/28,867.52
  6. Step 6: Final answer
    x = 22,485.03

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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.