Home / 28,806.14-39,752.79-16,230.62

Finding the Fourth Proportional to 28,806.14, 39,752.79 and 16,230.62

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Solution

The fourth proportional to 28,806.14, 39,752.79 and 16,230.62 is: 22,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.14 : 39,752.79 = 16,230.62 : x
  2. Step 2: Convert to fraction form
    28,806.14/39,752.79 = 16,230.62/x
  3. Step 3: Cross multiply
    28,806.14x = 39,752.79 × 16,230.62
  4. Step 4: Simplify right side
    28,806.14x = 645,212,428.43
  5. Step 5: Solve for x
    x = 645,212,428.43/28,806.14
  6. Step 6: Final answer
    x = 22,398.43

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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.