Home / 19,107.44-28,672.32-8,013.28

Finding the Fourth Proportional to 19,107.44, 28,672.32 and 8,013.28

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Solution

The fourth proportional to 19,107.44, 28,672.32 and 8,013.28 is: 12,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.44 : 28,672.32 = 8,013.28 : x
  2. Step 2: Convert to fraction form
    19,107.44/28,672.32 = 8,013.28/x
  3. Step 3: Cross multiply
    19,107.44x = 28,672.32 × 8,013.28
  4. Step 4: Simplify right side
    19,107.44x = 229,759,328.41
  5. Step 5: Solve for x
    x = 229,759,328.41/19,107.44
  6. Step 6: Final answer
    x = 12,024.60

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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.