Home / 26,828.70-40,257.45-11,247.90

Finding the Fourth Proportional to 26,828.70, 40,257.45 and 11,247.90

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Solution

The fourth proportional to 26,828.70, 40,257.45 and 11,247.90 is: 16,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.70 : 40,257.45 = 11,247.90 : x
  2. Step 2: Convert to fraction form
    26,828.70/40,257.45 = 11,247.90/x
  3. Step 3: Cross multiply
    26,828.70x = 40,257.45 × 11,247.90
  4. Step 4: Simplify right side
    26,828.70x = 452,811,771.86
  5. Step 5: Solve for x
    x = 452,811,771.86/26,828.70
  6. Step 6: Final answer
    x = 16,877.89

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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.