Home / 28,871.76-39,843.70-16,296.50

Finding the Fourth Proportional to 28,871.76, 39,843.70 and 16,296.50

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Solution

The fourth proportional to 28,871.76, 39,843.70 and 16,296.50 is: 22,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.76 : 39,843.70 = 16,296.50 : x
  2. Step 2: Convert to fraction form
    28,871.76/39,843.70 = 16,296.50/x
  3. Step 3: Cross multiply
    28,871.76x = 39,843.70 × 16,296.50
  4. Step 4: Simplify right side
    28,871.76x = 649,312,857.05
  5. Step 5: Solve for x
    x = 649,312,857.05/28,871.76
  6. Step 6: Final answer
    x = 22,489.55

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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.