Home / 26,302.44-36,291.42-15,690

Finding the Fourth Proportional to 26,302.44, 36,291.42 and 15,690

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Solution

The fourth proportional to 26,302.44, 36,291.42 and 15,690 is: 21,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302.44 : 36,291.42 = 15,690 : x
  2. Step 2: Convert to fraction form
    26,302.44/36,291.42 = 15,690/x
  3. Step 3: Cross multiply
    26,302.44x = 36,291.42 × 15,690
  4. Step 4: Simplify right side
    26,302.44x = 569,412,379.80
  5. Step 5: Solve for x
    x = 569,412,379.80/26,302.44
  6. Step 6: Final answer
    x = 21,648.65

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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.