Home / 28,940.85-39,939.36-17,004

Finding the Fourth Proportional to 28,940.85, 39,939.36 and 17,004

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Solution

The fourth proportional to 28,940.85, 39,939.36 and 17,004 is: 23,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.85 : 39,939.36 = 17,004 : x
  2. Step 2: Convert to fraction form
    28,940.85/39,939.36 = 17,004/x
  3. Step 3: Cross multiply
    28,940.85x = 39,939.36 × 17,004
  4. Step 4: Simplify right side
    28,940.85x = 679,128,877.44
  5. Step 5: Solve for x
    x = 679,128,877.44/28,940.85
  6. Step 6: Final answer
    x = 23,466.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.