Home / 26,979.05-40,467.09-8,259.07

Finding the Fourth Proportional to 26,979.05, 40,467.09 and 8,259.07

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Solution

The fourth proportional to 26,979.05, 40,467.09 and 8,259.07 is: 12,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.05 : 40,467.09 = 8,259.07 : x
  2. Step 2: Convert to fraction form
    26,979.05/40,467.09 = 8,259.07/x
  3. Step 3: Cross multiply
    26,979.05x = 40,467.09 × 8,259.07
  4. Step 4: Simplify right side
    26,979.05x = 334,220,529.01
  5. Step 5: Solve for x
    x = 334,220,529.01/26,979.05
  6. Step 6: Final answer
    x = 12,388.15

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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.