Home / 28,002.12-41,969.78-19,522.77

Finding the Fourth Proportional to 28,002.12, 41,969.78 and 19,522.77

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Solution

The fourth proportional to 28,002.12, 41,969.78 and 19,522.77 is: 29,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.12 : 41,969.78 = 19,522.77 : x
  2. Step 2: Convert to fraction form
    28,002.12/41,969.78 = 19,522.77/x
  3. Step 3: Cross multiply
    28,002.12x = 41,969.78 × 19,522.77
  4. Step 4: Simplify right side
    28,002.12x = 819,366,200.85
  5. Step 5: Solve for x
    x = 819,366,200.85/28,002.12
  6. Step 6: Final answer
    x = 29,260.87

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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.