Home / 28,754.87-39,682.04-16,179.62

Finding the Fourth Proportional to 28,754.87, 39,682.04 and 16,179.62

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Solution

The fourth proportional to 28,754.87, 39,682.04 and 16,179.62 is: 22,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.87 : 39,682.04 = 16,179.62 : x
  2. Step 2: Convert to fraction form
    28,754.87/39,682.04 = 16,179.62/x
  3. Step 3: Cross multiply
    28,754.87x = 39,682.04 × 16,179.62
  4. Step 4: Simplify right side
    28,754.87x = 642,040,048.72
  5. Step 5: Solve for x
    x = 642,040,048.72/28,754.87
  6. Step 6: Final answer
    x = 22,328.05

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1.5x scale

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.