Home / 26,501.06-39,751.82-7,781.41

Finding the Fourth Proportional to 26,501.06, 39,751.82 and 7,781.41

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Solution

The fourth proportional to 26,501.06, 39,751.82 and 7,781.41 is: 11,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.06 : 39,751.82 = 7,781.41 : x
  2. Step 2: Convert to fraction form
    26,501.06/39,751.82 = 7,781.41/x
  3. Step 3: Cross multiply
    26,501.06x = 39,751.82 × 7,781.41
  4. Step 4: Simplify right side
    26,501.06x = 309,325,209.67
  5. Step 5: Solve for x
    x = 309,325,209.67/26,501.06
  6. Step 6: Final answer
    x = 11,672.18

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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.