Home / 26,928.10-40,394.36-8,208.29

Finding the Fourth Proportional to 26,928.10, 40,394.36 and 8,208.29

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Solution

The fourth proportional to 26,928.10, 40,394.36 and 8,208.29 is: 12,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.10 : 40,394.36 = 8,208.29 : x
  2. Step 2: Convert to fraction form
    26,928.10/40,394.36 = 8,208.29/x
  3. Step 3: Cross multiply
    26,928.10x = 40,394.36 × 8,208.29
  4. Step 4: Simplify right side
    26,928.10x = 331,568,621.24
  5. Step 5: Solve for x
    x = 331,568,621.24/26,928.10
  6. Step 6: Final answer
    x = 12,313.11

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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.