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Finding the Fourth Proportional to 26,806, 36,993.96 and 15,477.57

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Solution

The fourth proportional to 26,806, 36,993.96 and 15,477.57 is: 21,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806 : 36,993.96 = 15,477.57 : x
  2. Step 2: Convert to fraction form
    26,806/36,993.96 = 15,477.57/x
  3. Step 3: Cross multiply
    26,806x = 36,993.96 × 15,477.57
  4. Step 4: Simplify right side
    26,806x = 572,576,605.48
  5. Step 5: Solve for x
    x = 572,576,605.48/26,806
  6. Step 6: Final answer
    x = 21,360.02

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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.