Home / 28,539.54-42,813-11,014.38

Finding the Fourth Proportional to 28,539.54, 42,813 and 11,014.38

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Solution

The fourth proportional to 28,539.54, 42,813 and 11,014.38 is: 16,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.54 : 42,813 = 11,014.38 : x
  2. Step 2: Convert to fraction form
    28,539.54/42,813 = 11,014.38/x
  3. Step 3: Cross multiply
    28,539.54x = 42,813 × 11,014.38
  4. Step 4: Simplify right side
    28,539.54x = 471,558,650.94
  5. Step 5: Solve for x
    x = 471,558,650.94/28,539.54
  6. Step 6: Final answer
    x = 16,522.99

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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.