Home / 26,991.09-40,488.66-12,208.32

Finding the Fourth Proportional to 26,991.09, 40,488.66 and 12,208.32

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Solution

The fourth proportional to 26,991.09, 40,488.66 and 12,208.32 is: 18,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.09 : 40,488.66 = 12,208.32 : x
  2. Step 2: Convert to fraction form
    26,991.09/40,488.66 = 12,208.32/x
  3. Step 3: Cross multiply
    26,991.09x = 40,488.66 × 12,208.32
  4. Step 4: Simplify right side
    26,991.09x = 494,298,517.65
  5. Step 5: Solve for x
    x = 494,298,517.65/26,991.09
  6. Step 6: Final answer
    x = 18,313.40

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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.