Home / 20,111.41-27,765.97-15,626.70

Finding the Fourth Proportional to 20,111.41, 27,765.97 and 15,626.70

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Solution

The fourth proportional to 20,111.41, 27,765.97 and 15,626.70 is: 21,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.41 : 27,765.97 = 15,626.70 : x
  2. Step 2: Convert to fraction form
    20,111.41/27,765.97 = 15,626.70/x
  3. Step 3: Cross multiply
    20,111.41x = 27,765.97 × 15,626.70
  4. Step 4: Simplify right side
    20,111.41x = 433,890,483.40
  5. Step 5: Solve for x
    x = 433,890,483.40/20,111.41
  6. Step 6: Final answer
    x = 21,574.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.