Home / 27,905.81-41,861.39-9,186.03

Finding the Fourth Proportional to 27,905.81, 41,861.39 and 9,186.03

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Solution

The fourth proportional to 27,905.81, 41,861.39 and 9,186.03 is: 13,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.81 : 41,861.39 = 9,186.03 : x
  2. Step 2: Convert to fraction form
    27,905.81/41,861.39 = 9,186.03/x
  3. Step 3: Cross multiply
    27,905.81x = 41,861.39 × 9,186.03
  4. Step 4: Simplify right side
    27,905.81x = 384,539,938.45
  5. Step 5: Solve for x
    x = 384,539,938.45/27,905.81
  6. Step 6: Final answer
    x = 13,779.93

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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.