Home / 28,724.60-39,639.94-16,797.95

Finding the Fourth Proportional to 28,724.60, 39,639.94 and 16,797.95

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Solution

The fourth proportional to 28,724.60, 39,639.94 and 16,797.95 is: 23,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.60 : 39,639.94 = 16,797.95 : x
  2. Step 2: Convert to fraction form
    28,724.60/39,639.94 = 16,797.95/x
  3. Step 3: Cross multiply
    28,724.60x = 39,639.94 × 16,797.95
  4. Step 4: Simplify right side
    28,724.60x = 665,869,730.12
  5. Step 5: Solve for x
    x = 665,869,730.12/28,724.60
  6. Step 6: Final answer
    x = 23,181.17

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Why These Related Problems?

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