Home / 28,025.46-41,975.28-21,766.50

Finding the Fourth Proportional to 28,025.46, 41,975.28 and 21,766.50

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Solution

The fourth proportional to 28,025.46, 41,975.28 and 21,766.50 is: 32,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.46 : 41,975.28 = 21,766.50 : x
  2. Step 2: Convert to fraction form
    28,025.46/41,975.28 = 21,766.50/x
  3. Step 3: Cross multiply
    28,025.46x = 41,975.28 × 21,766.50
  4. Step 4: Simplify right side
    28,025.46x = 913,654,932.12
  5. Step 5: Solve for x
    x = 913,654,932.12/28,025.46
  6. Step 6: Final answer
    x = 32,600.89

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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.