Home / 28,792.04-43,227.78-19,886.44

Finding the Fourth Proportional to 28,792.04, 43,227.78 and 19,886.44

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Solution

The fourth proportional to 28,792.04, 43,227.78 and 19,886.44 is: 29,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.04 : 43,227.78 = 19,886.44 : x
  2. Step 2: Convert to fraction form
    28,792.04/43,227.78 = 19,886.44/x
  3. Step 3: Cross multiply
    28,792.04x = 43,227.78 × 19,886.44
  4. Step 4: Simplify right side
    28,792.04x = 859,646,653.30
  5. Step 5: Solve for x
    x = 859,646,653.30/28,792.04
  6. Step 6: Final answer
    x = 29,857.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.