Home / 35,640.05-53,408.84-15,625.35

Finding the Fourth Proportional to 35,640.05, 53,408.84 and 15,625.35

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Solution

The fourth proportional to 35,640.05, 53,408.84 and 15,625.35 is: 23,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.05 : 53,408.84 = 15,625.35 : x
  2. Step 2: Convert to fraction form
    35,640.05/53,408.84 = 15,625.35/x
  3. Step 3: Cross multiply
    35,640.05x = 53,408.84 × 15,625.35
  4. Step 4: Simplify right side
    35,640.05x = 834,531,739.97
  5. Step 5: Solve for x
    x = 834,531,739.97/35,640.05
  6. Step 6: Final answer
    x = 23,415.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.