Home / 28,806.52-39,754.98-16,231.28

Finding the Fourth Proportional to 28,806.52, 39,754.98 and 16,231.28

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Solution

The fourth proportional to 28,806.52, 39,754.98 and 16,231.28 is: 22,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.52 : 39,754.98 = 16,231.28 : x
  2. Step 2: Convert to fraction form
    28,806.52/39,754.98 = 16,231.28/x
  3. Step 3: Cross multiply
    28,806.52x = 39,754.98 × 16,231.28
  4. Step 4: Simplify right side
    28,806.52x = 645,274,211.77
  5. Step 5: Solve for x
    x = 645,274,211.77/28,806.52
  6. Step 6: Final answer
    x = 22,400.28

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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.