Home / 27,490.61-41,235.19-8,771.79

Finding the Fourth Proportional to 27,490.61, 41,235.19 and 8,771.79

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Solution

The fourth proportional to 27,490.61, 41,235.19 and 8,771.79 is: 13,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.61 : 41,235.19 = 8,771.79 : x
  2. Step 2: Convert to fraction form
    27,490.61/41,235.19 = 8,771.79/x
  3. Step 3: Cross multiply
    27,490.61x = 41,235.19 × 8,771.79
  4. Step 4: Simplify right side
    27,490.61x = 361,706,427.29
  5. Step 5: Solve for x
    x = 361,706,427.29/27,490.61
  6. Step 6: Final answer
    x = 13,157.45

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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.