Home / 26,626.21-39,932.46-7,901.81

Finding the Fourth Proportional to 26,626.21, 39,932.46 and 7,901.81

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Solution

The fourth proportional to 26,626.21, 39,932.46 and 7,901.81 is: 11,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.21 : 39,932.46 = 7,901.81 : x
  2. Step 2: Convert to fraction form
    26,626.21/39,932.46 = 7,901.81/x
  3. Step 3: Cross multiply
    26,626.21x = 39,932.46 × 7,901.81
  4. Step 4: Simplify right side
    26,626.21x = 315,538,831.34
  5. Step 5: Solve for x
    x = 315,538,831.34/26,626.21
  6. Step 6: Final answer
    x = 11,850.69

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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.