Home / 28,977.24-39,989.10-22,611

Finding the Fourth Proportional to 28,977.24, 39,989.10 and 22,611

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Solution

The fourth proportional to 28,977.24, 39,989.10 and 22,611 is: 31,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.24 : 39,989.10 = 22,611 : x
  2. Step 2: Convert to fraction form
    28,977.24/39,989.10 = 22,611/x
  3. Step 3: Cross multiply
    28,977.24x = 39,989.10 × 22,611
  4. Step 4: Simplify right side
    28,977.24x = 904,193,540.10
  5. Step 5: Solve for x
    x = 904,193,540.10/28,977.24
  6. Step 6: Final answer
    x = 31,203.58

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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.