Home / 26,707.70-36,817.26-19,621.82

Finding the Fourth Proportional to 26,707.70, 36,817.26 and 19,621.82

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Solution

The fourth proportional to 26,707.70, 36,817.26 and 19,621.82 is: 27,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,707.70 : 36,817.26 = 19,621.82 : x
  2. Step 2: Convert to fraction form
    26,707.70/36,817.26 = 19,621.82/x
  3. Step 3: Cross multiply
    26,707.70x = 36,817.26 × 19,621.82
  4. Step 4: Simplify right side
    26,707.70x = 722,421,648.61
  5. Step 5: Solve for x
    x = 722,421,648.61/26,707.70
  6. Step 6: Final answer
    x = 27,049.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.