Home / 28,556.70-42,842.25-23,059.98

Finding the Fourth Proportional to 28,556.70, 42,842.25 and 23,059.98

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Solution

The fourth proportional to 28,556.70, 42,842.25 and 23,059.98 is: 34,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.70 : 42,842.25 = 23,059.98 : x
  2. Step 2: Convert to fraction form
    28,556.70/42,842.25 = 23,059.98/x
  3. Step 3: Cross multiply
    28,556.70x = 42,842.25 × 23,059.98
  4. Step 4: Simplify right side
    28,556.70x = 987,941,428.16
  5. Step 5: Solve for x
    x = 987,941,428.16/28,556.70
  6. Step 6: Final answer
    x = 34,595.78

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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.