Home / 19,327.48-28,993.74-5,476.84

Finding the Fourth Proportional to 19,327.48, 28,993.74 and 5,476.84

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Solution

The fourth proportional to 19,327.48, 28,993.74 and 5,476.84 is: 8,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.48 : 28,993.74 = 5,476.84 : x
  2. Step 2: Convert to fraction form
    19,327.48/28,993.74 = 5,476.84/x
  3. Step 3: Cross multiply
    19,327.48x = 28,993.74 × 5,476.84
  4. Step 4: Simplify right side
    19,327.48x = 158,794,074.98
  5. Step 5: Solve for x
    x = 158,794,074.98/19,327.48
  6. Step 6: Final answer
    x = 8,215.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.