Home / 27,905.49-41,864.40-9,191.30

Finding the Fourth Proportional to 27,905.49, 41,864.40 and 9,191.30

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Solution

The fourth proportional to 27,905.49, 41,864.40 and 9,191.30 is: 13,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.49 : 41,864.40 = 9,191.30 : x
  2. Step 2: Convert to fraction form
    27,905.49/41,864.40 = 9,191.30/x
  3. Step 3: Cross multiply
    27,905.49x = 41,864.40 × 9,191.30
  4. Step 4: Simplify right side
    27,905.49x = 384,788,050.40
  5. Step 5: Solve for x
    x = 384,788,050.40/27,905.49
  6. Step 6: Final answer
    x = 13,788.97

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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.