Home / 27,950.36-38,539.24-22,280.72

Finding the Fourth Proportional to 27,950.36, 38,539.24 and 22,280.72

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Solution

The fourth proportional to 27,950.36, 38,539.24 and 22,280.72 is: 30,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.36 : 38,539.24 = 22,280.72 : x
  2. Step 2: Convert to fraction form
    27,950.36/38,539.24 = 22,280.72/x
  3. Step 3: Cross multiply
    27,950.36x = 38,539.24 × 22,280.72
  4. Step 4: Simplify right side
    27,950.36x = 858,682,015.45
  5. Step 5: Solve for x
    x = 858,682,015.45/27,950.36
  6. Step 6: Final answer
    x = 30,721.68

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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.