Home / 28,852.89-39,818.99-16,108.58

Finding the Fourth Proportional to 28,852.89, 39,818.99 and 16,108.58

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Solution

The fourth proportional to 28,852.89, 39,818.99 and 16,108.58 is: 22,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.89 : 39,818.99 = 16,108.58 : x
  2. Step 2: Convert to fraction form
    28,852.89/39,818.99 = 16,108.58/x
  3. Step 3: Cross multiply
    28,852.89x = 39,818.99 × 16,108.58
  4. Step 4: Simplify right side
    28,852.89x = 641,427,413.76
  5. Step 5: Solve for x
    x = 641,427,413.76/28,852.89
  6. Step 6: Final answer
    x = 22,230.96

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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.