Home / 28,734.84-39,653.82-16,159.68

Finding the Fourth Proportional to 28,734.84, 39,653.82 and 16,159.68

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Solution

The fourth proportional to 28,734.84, 39,653.82 and 16,159.68 is: 22,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.84 : 39,653.82 = 16,159.68 : x
  2. Step 2: Convert to fraction form
    28,734.84/39,653.82 = 16,159.68/x
  3. Step 3: Cross multiply
    28,734.84x = 39,653.82 × 16,159.68
  4. Step 4: Simplify right side
    28,734.84x = 640,793,041.98
  5. Step 5: Solve for x
    x = 640,793,041.98/28,734.84
  6. Step 6: Final answer
    x = 22,300.21

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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.