Home / 25,168.24-34,745.52-15,739.84

Finding the Fourth Proportional to 25,168.24, 34,745.52 and 15,739.84

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Solution

The fourth proportional to 25,168.24, 34,745.52 and 15,739.84 is: 21,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.24 : 34,745.52 = 15,739.84 : x
  2. Step 2: Convert to fraction form
    25,168.24/34,745.52 = 15,739.84/x
  3. Step 3: Cross multiply
    25,168.24x = 34,745.52 × 15,739.84
  4. Step 4: Simplify right side
    25,168.24x = 546,888,925.52
  5. Step 5: Solve for x
    x = 546,888,925.52/25,168.24
  6. Step 6: Final answer
    x = 21,729.33

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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.