Home / 26,301.44-36,290.04-15,689

Finding the Fourth Proportional to 26,301.44, 36,290.04 and 15,689

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Solution

The fourth proportional to 26,301.44, 36,290.04 and 15,689 is: 21,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,301.44 : 36,290.04 = 15,689 : x
  2. Step 2: Convert to fraction form
    26,301.44/36,290.04 = 15,689/x
  3. Step 3: Cross multiply
    26,301.44x = 36,290.04 × 15,689
  4. Step 4: Simplify right side
    26,301.44x = 569,354,437.56
  5. Step 5: Solve for x
    x = 569,354,437.56/26,301.44
  6. Step 6: Final answer
    x = 21,647.27

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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.