Home / 27,066.16-40,556.70-20,818.62

Finding the Fourth Proportional to 27,066.16, 40,556.70 and 20,818.62

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Solution

The fourth proportional to 27,066.16, 40,556.70 and 20,818.62 is: 31,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.16 : 40,556.70 = 20,818.62 : x
  2. Step 2: Convert to fraction form
    27,066.16/40,556.70 = 20,818.62/x
  3. Step 3: Cross multiply
    27,066.16x = 40,556.70 × 20,818.62
  4. Step 4: Simplify right side
    27,066.16x = 844,334,525.75
  5. Step 5: Solve for x
    x = 844,334,525.75/27,066.16
  6. Step 6: Final answer
    x = 31,195.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.