Home / 26,936.86-40,405.31-7,214.92

Finding the Fourth Proportional to 26,936.86, 40,405.31 and 7,214.92

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Solution

The fourth proportional to 26,936.86, 40,405.31 and 7,214.92 is: 10,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.86 : 40,405.31 = 7,214.92 : x
  2. Step 2: Convert to fraction form
    26,936.86/40,405.31 = 7,214.92/x
  3. Step 3: Cross multiply
    26,936.86x = 40,405.31 × 7,214.92
  4. Step 4: Simplify right side
    26,936.86x = 291,520,841.12
  5. Step 5: Solve for x
    x = 291,520,841.12/26,936.86
  6. Step 6: Final answer
    x = 10,822.38

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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.