Home / 26,979.99-40,474.67-8,259.59

Finding the Fourth Proportional to 26,979.99, 40,474.67 and 8,259.59

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Solution

The fourth proportional to 26,979.99, 40,474.67 and 8,259.59 is: 12,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.99 : 40,474.67 = 8,259.59 : x
  2. Step 2: Convert to fraction form
    26,979.99/40,474.67 = 8,259.59/x
  3. Step 3: Cross multiply
    26,979.99x = 40,474.67 × 8,259.59
  4. Step 4: Simplify right side
    26,979.99x = 334,303,935.91
  5. Step 5: Solve for x
    x = 334,303,935.91/26,979.99
  6. Step 6: Final answer
    x = 12,390.81

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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.