Home / 26,218.64-39,318.69-8,448.59

Finding the Fourth Proportional to 26,218.64, 39,318.69 and 8,448.59

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Solution

The fourth proportional to 26,218.64, 39,318.69 and 8,448.59 is: 12,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.64 : 39,318.69 = 8,448.59 : x
  2. Step 2: Convert to fraction form
    26,218.64/39,318.69 = 8,448.59/x
  3. Step 3: Cross multiply
    26,218.64x = 39,318.69 × 8,448.59
  4. Step 4: Simplify right side
    26,218.64x = 332,187,491.15
  5. Step 5: Solve for x
    x = 332,187,491.15/26,218.64
  6. Step 6: Final answer
    x = 12,669.90

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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.