Home / 25,982.45-35,874.98-15,924.63

Finding the Fourth Proportional to 25,982.45, 35,874.98 and 15,924.63

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Solution

The fourth proportional to 25,982.45, 35,874.98 and 15,924.63 is: 21,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.45 : 35,874.98 = 15,924.63 : x
  2. Step 2: Convert to fraction form
    25,982.45/35,874.98 = 15,924.63/x
  3. Step 3: Cross multiply
    25,982.45x = 35,874.98 × 15,924.63
  4. Step 4: Simplify right side
    25,982.45x = 571,295,703.13
  5. Step 5: Solve for x
    x = 571,295,703.13/25,982.45
  6. Step 6: Final answer
    x = 21,987.76

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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.