Home / 26,710.86-40,067.31-7,991.16

Finding the Fourth Proportional to 26,710.86, 40,067.31 and 7,991.16

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Solution

The fourth proportional to 26,710.86, 40,067.31 and 7,991.16 is: 11,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,710.86 : 40,067.31 = 7,991.16 : x
  2. Step 2: Convert to fraction form
    26,710.86/40,067.31 = 7,991.16/x
  3. Step 3: Cross multiply
    26,710.86x = 40,067.31 × 7,991.16
  4. Step 4: Simplify right side
    26,710.86x = 320,184,284.98
  5. Step 5: Solve for x
    x = 320,184,284.98/26,710.86
  6. Step 6: Final answer
    x = 11,987.05

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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.