Home / 20,764.25-31,114.48-14,092.08

Finding the Fourth Proportional to 20,764.25, 31,114.48 and 14,092.08

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Solution

The fourth proportional to 20,764.25, 31,114.48 and 14,092.08 is: 21,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764.25 : 31,114.48 = 14,092.08 : x
  2. Step 2: Convert to fraction form
    20,764.25/31,114.48 = 14,092.08/x
  3. Step 3: Cross multiply
    20,764.25x = 31,114.48 × 14,092.08
  4. Step 4: Simplify right side
    20,764.25x = 438,467,615.83
  5. Step 5: Solve for x
    x = 438,467,615.83/20,764.25
  6. Step 6: Final answer
    x = 21,116.47

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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.