Home / 28,465.14-42,704.37-9,745.38

Finding the Fourth Proportional to 28,465.14, 42,704.37 and 9,745.38

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Solution

The fourth proportional to 28,465.14, 42,704.37 and 9,745.38 is: 14,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.14 : 42,704.37 = 9,745.38 : x
  2. Step 2: Convert to fraction form
    28,465.14/42,704.37 = 9,745.38/x
  3. Step 3: Cross multiply
    28,465.14x = 42,704.37 × 9,745.38
  4. Step 4: Simplify right side
    28,465.14x = 416,170,313.31
  5. Step 5: Solve for x
    x = 416,170,313.31/28,465.14
  6. Step 6: Final answer
    x = 14,620.35

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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.