Home / 28,894.41-39,874.55-16,148.61

Finding the Fourth Proportional to 28,894.41, 39,874.55 and 16,148.61

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Solution

The fourth proportional to 28,894.41, 39,874.55 and 16,148.61 is: 22,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.41 : 39,874.55 = 16,148.61 : x
  2. Step 2: Convert to fraction form
    28,894.41/39,874.55 = 16,148.61/x
  3. Step 3: Cross multiply
    28,894.41x = 39,874.55 × 16,148.61
  4. Step 4: Simplify right side
    28,894.41x = 643,918,556.88
  5. Step 5: Solve for x
    x = 643,918,556.88/28,894.41
  6. Step 6: Final answer
    x = 22,285.23

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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.