Home / 18,556.08-27,829.80-8,685.96

Finding the Fourth Proportional to 18,556.08, 27,829.80 and 8,685.96

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Solution

The fourth proportional to 18,556.08, 27,829.80 and 8,685.96 is: 13,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.08 : 27,829.80 = 8,685.96 : x
  2. Step 2: Convert to fraction form
    18,556.08/27,829.80 = 8,685.96/x
  3. Step 3: Cross multiply
    18,556.08x = 27,829.80 × 8,685.96
  4. Step 4: Simplify right side
    18,556.08x = 241,728,529.61
  5. Step 5: Solve for x
    x = 241,728,529.61/18,556.08
  6. Step 6: Final answer
    x = 13,026.92

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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.