Home / 28,291.97-42,442.36-8,565.84

Finding the Fourth Proportional to 28,291.97, 42,442.36 and 8,565.84

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Solution

The fourth proportional to 28,291.97, 42,442.36 and 8,565.84 is: 12,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.97 : 42,442.36 = 8,565.84 : x
  2. Step 2: Convert to fraction form
    28,291.97/42,442.36 = 8,565.84/x
  3. Step 3: Cross multiply
    28,291.97x = 42,442.36 × 8,565.84
  4. Step 4: Simplify right side
    28,291.97x = 363,554,464.98
  5. Step 5: Solve for x
    x = 363,554,464.98/28,291.97
  6. Step 6: Final answer
    x = 12,850.09

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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.