Home / 26,751.36-40,063.96-21,207.80

Finding the Fourth Proportional to 26,751.36, 40,063.96 and 21,207.80

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Solution

The fourth proportional to 26,751.36, 40,063.96 and 21,207.80 is: 31,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.36 : 40,063.96 = 21,207.80 : x
  2. Step 2: Convert to fraction form
    26,751.36/40,063.96 = 21,207.80/x
  3. Step 3: Cross multiply
    26,751.36x = 40,063.96 × 21,207.80
  4. Step 4: Simplify right side
    26,751.36x = 849,668,450.89
  5. Step 5: Solve for x
    x = 849,668,450.89/26,751.36
  6. Step 6: Final answer
    x = 31,761.69

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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.