Home / 23,051.90-31,813.20-12,844.53

Finding the Fourth Proportional to 23,051.90, 31,813.20 and 12,844.53

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Solution

The fourth proportional to 23,051.90, 31,813.20 and 12,844.53 is: 17,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,051.90 : 31,813.20 = 12,844.53 : x
  2. Step 2: Convert to fraction form
    23,051.90/31,813.20 = 12,844.53/x
  3. Step 3: Cross multiply
    23,051.90x = 31,813.20 × 12,844.53
  4. Step 4: Simplify right side
    23,051.90x = 408,625,601.80
  5. Step 5: Solve for x
    x = 408,625,601.80/23,051.90
  6. Step 6: Final answer
    x = 17,726.33

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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.