Home / 26,816.10-40,170.69-20,945.22

Finding the Fourth Proportional to 26,816.10, 40,170.69 and 20,945.22

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Solution

The fourth proportional to 26,816.10, 40,170.69 and 20,945.22 is: 31,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.10 : 40,170.69 = 20,945.22 : x
  2. Step 2: Convert to fraction form
    26,816.10/40,170.69 = 20,945.22/x
  3. Step 3: Cross multiply
    26,816.10x = 40,170.69 × 20,945.22
  4. Step 4: Simplify right side
    26,816.10x = 841,383,939.60
  5. Step 5: Solve for x
    x = 841,383,939.60/26,816.10
  6. Step 6: Final answer
    x = 31,376.07

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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.