Home / 19,620.99-29,428.25-5,766.75

Finding the Fourth Proportional to 19,620.99, 29,428.25 and 5,766.75

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Solution

The fourth proportional to 19,620.99, 29,428.25 and 5,766.75 is: 8,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.99 : 29,428.25 = 5,766.75 : x
  2. Step 2: Convert to fraction form
    19,620.99/29,428.25 = 5,766.75/x
  3. Step 3: Cross multiply
    19,620.99x = 29,428.25 × 5,766.75
  4. Step 4: Simplify right side
    19,620.99x = 169,705,331.85
  5. Step 5: Solve for x
    x = 169,705,331.85/19,620.99
  6. Step 6: Final answer
    x = 8,649.17

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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.