Home / 28,927.12-43,360.62-12,297.82

Finding the Fourth Proportional to 28,927.12, 43,360.62 and 12,297.82

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Solution

The fourth proportional to 28,927.12, 43,360.62 and 12,297.82 is: 18,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.12 : 43,360.62 = 12,297.82 : x
  2. Step 2: Convert to fraction form
    28,927.12/43,360.62 = 12,297.82/x
  3. Step 3: Cross multiply
    28,927.12x = 43,360.62 × 12,297.82
  4. Step 4: Simplify right side
    28,927.12x = 533,241,099.85
  5. Step 5: Solve for x
    x = 533,241,099.85/28,927.12
  6. Step 6: Final answer
    x = 18,433.95

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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.