Home / 38,927.80-58,392.60-13,969.54

Finding the Fourth Proportional to 38,927.80, 58,392.60 and 13,969.54

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Solution

The fourth proportional to 38,927.80, 58,392.60 and 13,969.54 is: 20,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.80 : 58,392.60 = 13,969.54 : x
  2. Step 2: Convert to fraction form
    38,927.80/58,392.60 = 13,969.54/x
  3. Step 3: Cross multiply
    38,927.80x = 58,392.60 × 13,969.54
  4. Step 4: Simplify right side
    38,927.80x = 815,717,761.40
  5. Step 5: Solve for x
    x = 815,717,761.40/38,927.80
  6. Step 6: Final answer
    x = 20,954.63

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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.