Home / 26,790.63-40,156.79-18,003.75

Finding the Fourth Proportional to 26,790.63, 40,156.79 and 18,003.75

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Solution

The fourth proportional to 26,790.63, 40,156.79 and 18,003.75 is: 26,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.63 : 40,156.79 = 18,003.75 : x
  2. Step 2: Convert to fraction form
    26,790.63/40,156.79 = 18,003.75/x
  3. Step 3: Cross multiply
    26,790.63x = 40,156.79 × 18,003.75
  4. Step 4: Simplify right side
    26,790.63x = 722,972,717.94
  5. Step 5: Solve for x
    x = 722,972,717.94/26,790.63
  6. Step 6: Final answer
    x = 26,986.03

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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.