Home / 28,974.60-43,466.70-12,342.60

Finding the Fourth Proportional to 28,974.60, 43,466.70 and 12,342.60

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Solution

The fourth proportional to 28,974.60, 43,466.70 and 12,342.60 is: 18,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.60 : 43,466.70 = 12,342.60 : x
  2. Step 2: Convert to fraction form
    28,974.60/43,466.70 = 12,342.60/x
  3. Step 3: Cross multiply
    28,974.60x = 43,466.70 × 12,342.60
  4. Step 4: Simplify right side
    28,974.60x = 536,492,091.42
  5. Step 5: Solve for x
    x = 536,492,091.42/28,974.60
  6. Step 6: Final answer
    x = 18,515.94

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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.