Home / 26,929.37-40,399.83-8,210.94

Finding the Fourth Proportional to 26,929.37, 40,399.83 and 8,210.94

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Solution

The fourth proportional to 26,929.37, 40,399.83 and 8,210.94 is: 12,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.37 : 40,399.83 = 8,210.94 : x
  2. Step 2: Convert to fraction form
    26,929.37/40,399.83 = 8,210.94/x
  3. Step 3: Cross multiply
    26,929.37x = 40,399.83 × 8,210.94
  4. Step 4: Simplify right side
    26,929.37x = 331,720,580.14
  5. Step 5: Solve for x
    x = 331,720,580.14/26,929.37
  6. Step 6: Final answer
    x = 12,318.17

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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.