Home / 26,747.04-40,090.32-12,879.84

Finding the Fourth Proportional to 26,747.04, 40,090.32 and 12,879.84

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Solution

The fourth proportional to 26,747.04, 40,090.32 and 12,879.84 is: 19,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.04 : 40,090.32 = 12,879.84 : x
  2. Step 2: Convert to fraction form
    26,747.04/40,090.32 = 12,879.84/x
  3. Step 3: Cross multiply
    26,747.04x = 40,090.32 × 12,879.84
  4. Step 4: Simplify right side
    26,747.04x = 516,356,907.15
  5. Step 5: Solve for x
    x = 516,356,907.15/26,747.04
  6. Step 6: Final answer
    x = 19,305.20

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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.