Home / 28,887.26-43,274.49-18,996.54

Finding the Fourth Proportional to 28,887.26, 43,274.49 and 18,996.54

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Solution

The fourth proportional to 28,887.26, 43,274.49 and 18,996.54 is: 28,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.26 : 43,274.49 = 18,996.54 : x
  2. Step 2: Convert to fraction form
    28,887.26/43,274.49 = 18,996.54/x
  3. Step 3: Cross multiply
    28,887.26x = 43,274.49 × 18,996.54
  4. Step 4: Simplify right side
    28,887.26x = 822,065,580.26
  5. Step 5: Solve for x
    x = 822,065,580.26/28,887.26
  6. Step 6: Final answer
    x = 28,457.73

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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.