Home / 28,252.82-42,379.53-8,531.55

Finding the Fourth Proportional to 28,252.82, 42,379.53 and 8,531.55

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Solution

The fourth proportional to 28,252.82, 42,379.53 and 8,531.55 is: 12,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.82 : 42,379.53 = 8,531.55 : x
  2. Step 2: Convert to fraction form
    28,252.82/42,379.53 = 8,531.55/x
  3. Step 3: Cross multiply
    28,252.82x = 42,379.53 × 8,531.55
  4. Step 4: Simplify right side
    28,252.82x = 361,563,079.17
  5. Step 5: Solve for x
    x = 361,563,079.17/28,252.82
  6. Step 6: Final answer
    x = 12,797.42

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1.5x scale

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.