Home / 20,695.44-28,559.43-11,263.98

Finding the Fourth Proportional to 20,695.44, 28,559.43 and 11,263.98

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Solution

The fourth proportional to 20,695.44, 28,559.43 and 11,263.98 is: 15,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.44 : 28,559.43 = 11,263.98 : x
  2. Step 2: Convert to fraction form
    20,695.44/28,559.43 = 11,263.98/x
  3. Step 3: Cross multiply
    20,695.44x = 28,559.43 × 11,263.98
  4. Step 4: Simplify right side
    20,695.44x = 321,692,848.33
  5. Step 5: Solve for x
    x = 321,692,848.33/20,695.44
  6. Step 6: Final answer
    x = 15,544.14

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Why These Related Problems?

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