Home / 26,979.56-40,467.84-8,259.57

Finding the Fourth Proportional to 26,979.56, 40,467.84 and 8,259.57

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Solution

The fourth proportional to 26,979.56, 40,467.84 and 8,259.57 is: 12,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.56 : 40,467.84 = 8,259.57 : x
  2. Step 2: Convert to fraction form
    26,979.56/40,467.84 = 8,259.57/x
  3. Step 3: Cross multiply
    26,979.56x = 40,467.84 × 8,259.57
  4. Step 4: Simplify right side
    26,979.56x = 334,246,957.23
  5. Step 5: Solve for x
    x = 334,246,957.23/26,979.56
  6. Step 6: Final answer
    x = 12,388.90

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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.