Home / 26,004.80-38,983.26-8,465.60

Finding the Fourth Proportional to 26,004.80, 38,983.26 and 8,465.60

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Solution

The fourth proportional to 26,004.80, 38,983.26 and 8,465.60 is: 12,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.80 : 38,983.26 = 8,465.60 : x
  2. Step 2: Convert to fraction form
    26,004.80/38,983.26 = 8,465.60/x
  3. Step 3: Cross multiply
    26,004.80x = 38,983.26 × 8,465.60
  4. Step 4: Simplify right side
    26,004.80x = 330,016,685.86
  5. Step 5: Solve for x
    x = 330,016,685.86/26,004.80
  6. Step 6: Final answer
    x = 12,690.61

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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.