Home / 26,628.21-39,935.46-7,903.81

Finding the Fourth Proportional to 26,628.21, 39,935.46 and 7,903.81

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Solution

The fourth proportional to 26,628.21, 39,935.46 and 7,903.81 is: 11,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.21 : 39,935.46 = 7,903.81 : x
  2. Step 2: Convert to fraction form
    26,628.21/39,935.46 = 7,903.81/x
  3. Step 3: Cross multiply
    26,628.21x = 39,935.46 × 7,903.81
  4. Step 4: Simplify right side
    26,628.21x = 315,642,367.66
  5. Step 5: Solve for x
    x = 315,642,367.66/26,628.21
  6. Step 6: Final answer
    x = 11,853.68

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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.