Home / 28,556.26-42,840.67-8,564.94

Finding the Fourth Proportional to 28,556.26, 42,840.67 and 8,564.94

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Solution

The fourth proportional to 28,556.26, 42,840.67 and 8,564.94 is: 12,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.26 : 42,840.67 = 8,564.94 : x
  2. Step 2: Convert to fraction form
    28,556.26/42,840.67 = 8,564.94/x
  3. Step 3: Cross multiply
    28,556.26x = 42,840.67 × 8,564.94
  4. Step 4: Simplify right side
    28,556.26x = 366,927,768.11
  5. Step 5: Solve for x
    x = 366,927,768.11/28,556.26
  6. Step 6: Final answer
    x = 12,849.29

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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.