Home / 26,791.36-40,186.80-15,774.64

Finding the Fourth Proportional to 26,791.36, 40,186.80 and 15,774.64

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Solution

The fourth proportional to 26,791.36, 40,186.80 and 15,774.64 is: 23,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.36 : 40,186.80 = 15,774.64 : x
  2. Step 2: Convert to fraction form
    26,791.36/40,186.80 = 15,774.64/x
  3. Step 3: Cross multiply
    26,791.36x = 40,186.80 × 15,774.64
  4. Step 4: Simplify right side
    26,791.36x = 633,932,302.75
  5. Step 5: Solve for x
    x = 633,932,302.75/26,791.36
  6. Step 6: Final answer
    x = 23,661.82

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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.