Home / 28,297.32-42,452.12-8,577.39

Finding the Fourth Proportional to 28,297.32, 42,452.12 and 8,577.39

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Solution

The fourth proportional to 28,297.32, 42,452.12 and 8,577.39 is: 12,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.32 : 42,452.12 = 8,577.39 : x
  2. Step 2: Convert to fraction form
    28,297.32/42,452.12 = 8,577.39/x
  3. Step 3: Cross multiply
    28,297.32x = 42,452.12 × 8,577.39
  4. Step 4: Simplify right side
    28,297.32x = 364,128,389.57
  5. Step 5: Solve for x
    x = 364,128,389.57/28,297.32
  6. Step 6: Final answer
    x = 12,867.95

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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.