Home / 28,722.94-43,084.10-11,205.07

Finding the Fourth Proportional to 28,722.94, 43,084.10 and 11,205.07

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Solution

The fourth proportional to 28,722.94, 43,084.10 and 11,205.07 is: 16,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.94 : 43,084.10 = 11,205.07 : x
  2. Step 2: Convert to fraction form
    28,722.94/43,084.10 = 11,205.07/x
  3. Step 3: Cross multiply
    28,722.94x = 43,084.10 × 11,205.07
  4. Step 4: Simplify right side
    28,722.94x = 482,760,276.69
  5. Step 5: Solve for x
    x = 482,760,276.69/28,722.94
  6. Step 6: Final answer
    x = 16,807.48

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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.