Home / 28,759.62-39,688.26-16,184.34

Finding the Fourth Proportional to 28,759.62, 39,688.26 and 16,184.34

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Solution

The fourth proportional to 28,759.62, 39,688.26 and 16,184.34 is: 22,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.62 : 39,688.26 = 16,184.34 : x
  2. Step 2: Convert to fraction form
    28,759.62/39,688.26 = 16,184.34/x
  3. Step 3: Cross multiply
    28,759.62x = 39,688.26 × 16,184.34
  4. Step 4: Simplify right side
    28,759.62x = 642,328,293.85
  5. Step 5: Solve for x
    x = 642,328,293.85/28,759.62
  6. Step 6: Final answer
    x = 22,334.38

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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.