Home / 22,784.49-31,441.77-13,352.85

Finding the Fourth Proportional to 22,784.49, 31,441.77 and 13,352.85

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Solution

The fourth proportional to 22,784.49, 31,441.77 and 13,352.85 is: 18,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.49 : 31,441.77 = 13,352.85 : x
  2. Step 2: Convert to fraction form
    22,784.49/31,441.77 = 13,352.85/x
  3. Step 3: Cross multiply
    22,784.49x = 31,441.77 × 13,352.85
  4. Step 4: Simplify right side
    22,784.49x = 419,837,238.54
  5. Step 5: Solve for x
    x = 419,837,238.54/22,784.49
  6. Step 6: Final answer
    x = 18,426.45

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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.