Home / 20,237.23-27,927.69-11,162.55

Finding the Fourth Proportional to 20,237.23, 27,927.69 and 11,162.55

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Solution

The fourth proportional to 20,237.23, 27,927.69 and 11,162.55 is: 15,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.23 : 27,927.69 = 11,162.55 : x
  2. Step 2: Convert to fraction form
    20,237.23/27,927.69 = 11,162.55/x
  3. Step 3: Cross multiply
    20,237.23x = 27,927.69 × 11,162.55
  4. Step 4: Simplify right side
    20,237.23x = 311,744,102.51
  5. Step 5: Solve for x
    x = 311,744,102.51/20,237.23
  6. Step 6: Final answer
    x = 15,404.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.