Home / 19,380.75-29,081.63-15,006.75

Finding the Fourth Proportional to 19,380.75, 29,081.63 and 15,006.75

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Solution

The fourth proportional to 19,380.75, 29,081.63 and 15,006.75 is: 22,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.75 : 29,081.63 = 15,006.75 : x
  2. Step 2: Convert to fraction form
    19,380.75/29,081.63 = 15,006.75/x
  3. Step 3: Cross multiply
    19,380.75x = 29,081.63 × 15,006.75
  4. Step 4: Simplify right side
    19,380.75x = 436,420,675.97
  5. Step 5: Solve for x
    x = 436,420,675.97/19,380.75
  6. Step 6: Final answer
    x = 22,518.26

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1.5x scale

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.