Home / 25,653.20-35,391.67-15,577.83

Finding the Fourth Proportional to 25,653.20, 35,391.67 and 15,577.83

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Solution

The fourth proportional to 25,653.20, 35,391.67 and 15,577.83 is: 21,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.20 : 35,391.67 = 15,577.83 : x
  2. Step 2: Convert to fraction form
    25,653.20/35,391.67 = 15,577.83/x
  3. Step 3: Cross multiply
    25,653.20x = 35,391.67 × 15,577.83
  4. Step 4: Simplify right side
    25,653.20x = 551,325,379.73
  5. Step 5: Solve for x
    x = 551,325,379.73/25,653.20
  6. Step 6: Final answer
    x = 21,491.49

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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.