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Finding the Fourth Proportional to 27,903.35, 41,861.09 and 9,185.29

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Solution

The fourth proportional to 27,903.35, 41,861.09 and 9,185.29 is: 13,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.35 : 41,861.09 = 9,185.29 : x
  2. Step 2: Convert to fraction form
    27,903.35/41,861.09 = 9,185.29/x
  3. Step 3: Cross multiply
    27,903.35x = 41,861.09 × 9,185.29
  4. Step 4: Simplify right side
    27,903.35x = 384,506,251.37
  5. Step 5: Solve for x
    x = 384,506,251.37/27,903.35
  6. Step 6: Final answer
    x = 13,779.93

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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.