Home / 28,874.79-43,314.99-12,004.29

Finding the Fourth Proportional to 28,874.79, 43,314.99 and 12,004.29

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Solution

The fourth proportional to 28,874.79, 43,314.99 and 12,004.29 is: 18,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.79 : 43,314.99 = 12,004.29 : x
  2. Step 2: Convert to fraction form
    28,874.79/43,314.99 = 12,004.29/x
  3. Step 3: Cross multiply
    28,874.79x = 43,314.99 × 12,004.29
  4. Step 4: Simplify right side
    28,874.79x = 519,965,701.31
  5. Step 5: Solve for x
    x = 519,965,701.31/28,874.79
  6. Step 6: Final answer
    x = 18,007.60

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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.