Home / 27,505.10-41,277.30-11,721.18

Finding the Fourth Proportional to 27,505.10, 41,277.30 and 11,721.18

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Solution

The fourth proportional to 27,505.10, 41,277.30 and 11,721.18 is: 17,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.10 : 41,277.30 = 11,721.18 : x
  2. Step 2: Convert to fraction form
    27,505.10/41,277.30 = 11,721.18/x
  3. Step 3: Cross multiply
    27,505.10x = 41,277.30 × 11,721.18
  4. Step 4: Simplify right side
    27,505.10x = 483,818,663.21
  5. Step 5: Solve for x
    x = 483,818,663.21/27,505.10
  6. Step 6: Final answer
    x = 17,590.15

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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.