Home / 22,771.80-31,437.46-15,736.04

Finding the Fourth Proportional to 22,771.80, 31,437.46 and 15,736.04

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Solution

The fourth proportional to 22,771.80, 31,437.46 and 15,736.04 is: 21,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.80 : 31,437.46 = 15,736.04 : x
  2. Step 2: Convert to fraction form
    22,771.80/31,437.46 = 15,736.04/x
  3. Step 3: Cross multiply
    22,771.80x = 31,437.46 × 15,736.04
  4. Step 4: Simplify right side
    22,771.80x = 494,701,128.06
  5. Step 5: Solve for x
    x = 494,701,128.06/22,771.80
  6. Step 6: Final answer
    x = 21,724.29

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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.