Home / 28,306.07-42,442.69-11,647.27

Finding the Fourth Proportional to 28,306.07, 42,442.69 and 11,647.27

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Solution

The fourth proportional to 28,306.07, 42,442.69 and 11,647.27 is: 17,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.07 : 42,442.69 = 11,647.27 : x
  2. Step 2: Convert to fraction form
    28,306.07/42,442.69 = 11,647.27/x
  3. Step 3: Cross multiply
    28,306.07x = 42,442.69 × 11,647.27
  4. Step 4: Simplify right side
    28,306.07x = 494,341,469.96
  5. Step 5: Solve for x
    x = 494,341,469.96/28,306.07
  6. Step 6: Final answer
    x = 17,464.15

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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.