Home / 28,724.82-43,086.91-11,206.95

Finding the Fourth Proportional to 28,724.82, 43,086.91 and 11,206.95

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Solution

The fourth proportional to 28,724.82, 43,086.91 and 11,206.95 is: 16,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.82 : 43,086.91 = 11,206.95 : x
  2. Step 2: Convert to fraction form
    28,724.82/43,086.91 = 11,206.95/x
  3. Step 3: Cross multiply
    28,724.82x = 43,086.91 × 11,206.95
  4. Step 4: Simplify right side
    28,724.82x = 482,872,818.01
  5. Step 5: Solve for x
    x = 482,872,818.01/28,724.82
  6. Step 6: Final answer
    x = 16,810.30

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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.