Home / 20,993.46-28,937.21-14,185.36

Finding the Fourth Proportional to 20,993.46, 28,937.21 and 14,185.36

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Solution

The fourth proportional to 20,993.46, 28,937.21 and 14,185.36 is: 19,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993.46 : 28,937.21 = 14,185.36 : x
  2. Step 2: Convert to fraction form
    20,993.46/28,937.21 = 14,185.36/x
  3. Step 3: Cross multiply
    20,993.46x = 28,937.21 × 14,185.36
  4. Step 4: Simplify right side
    20,993.46x = 410,484,596.91
  5. Step 5: Solve for x
    x = 410,484,596.91/20,993.46
  6. Step 6: Final answer
    x = 19,552.97

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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.