Home / 26,907.66-40,370.14-8,191.32

Finding the Fourth Proportional to 26,907.66, 40,370.14 and 8,191.32

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Solution

The fourth proportional to 26,907.66, 40,370.14 and 8,191.32 is: 12,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.66 : 40,370.14 = 8,191.32 : x
  2. Step 2: Convert to fraction form
    26,907.66/40,370.14 = 8,191.32/x
  3. Step 3: Cross multiply
    26,907.66x = 40,370.14 × 8,191.32
  4. Step 4: Simplify right side
    26,907.66x = 330,684,691.17
  5. Step 5: Solve for x
    x = 330,684,691.17/26,907.66
  6. Step 6: Final answer
    x = 12,289.61

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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.