Home / 28,917.20-43,440.60-27,736.40

Finding the Fourth Proportional to 28,917.20, 43,440.60 and 27,736.40

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Solution

The fourth proportional to 28,917.20, 43,440.60 and 27,736.40 is: 41,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.20 : 43,440.60 = 27,736.40 : x
  2. Step 2: Convert to fraction form
    28,917.20/43,440.60 = 27,736.40/x
  3. Step 3: Cross multiply
    28,917.20x = 43,440.60 × 27,736.40
  4. Step 4: Simplify right side
    28,917.20x = 1,204,885,857.84
  5. Step 5: Solve for x
    x = 1,204,885,857.84/28,917.20
  6. Step 6: Final answer
    x = 41,666.75

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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.