Home / 28,684.37-43,009.85-11,133.70

Finding the Fourth Proportional to 28,684.37, 43,009.85 and 11,133.70

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Solution

The fourth proportional to 28,684.37, 43,009.85 and 11,133.70 is: 16,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.37 : 43,009.85 = 11,133.70 : x
  2. Step 2: Convert to fraction form
    28,684.37/43,009.85 = 11,133.70/x
  3. Step 3: Cross multiply
    28,684.37x = 43,009.85 × 11,133.70
  4. Step 4: Simplify right side
    28,684.37x = 478,858,551.90
  5. Step 5: Solve for x
    x = 478,858,551.90/28,684.37
  6. Step 6: Final answer
    x = 16,694.06

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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.