Home / 19,728.94-27,225.77-10,776.44

Finding the Fourth Proportional to 19,728.94, 27,225.77 and 10,776.44

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Solution

The fourth proportional to 19,728.94, 27,225.77 and 10,776.44 is: 14,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.94 : 27,225.77 = 10,776.44 : x
  2. Step 2: Convert to fraction form
    19,728.94/27,225.77 = 10,776.44/x
  3. Step 3: Cross multiply
    19,728.94x = 27,225.77 × 10,776.44
  4. Step 4: Simplify right side
    19,728.94x = 293,396,971.86
  5. Step 5: Solve for x
    x = 293,396,971.86/19,728.94
  6. Step 6: Final answer
    x = 14,871.40

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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.