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Finding the Fourth Proportional to 27,089.88, 40,634.82 and 9,555.54

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Solution

The fourth proportional to 27,089.88, 40,634.82 and 9,555.54 is: 14,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.88 : 40,634.82 = 9,555.54 : x
  2. Step 2: Convert to fraction form
    27,089.88/40,634.82 = 9,555.54/x
  3. Step 3: Cross multiply
    27,089.88x = 40,634.82 × 9,555.54
  4. Step 4: Simplify right side
    27,089.88x = 388,287,647.90
  5. Step 5: Solve for x
    x = 388,287,647.90/27,089.88
  6. Step 6: Final answer
    x = 14,333.31

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1.5x scale

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.