Home / 28,223.10-42,351.45-10,694.70

Finding the Fourth Proportional to 28,223.10, 42,351.45 and 10,694.70

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Solution

The fourth proportional to 28,223.10, 42,351.45 and 10,694.70 is: 16,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.10 : 42,351.45 = 10,694.70 : x
  2. Step 2: Convert to fraction form
    28,223.10/42,351.45 = 10,694.70/x
  3. Step 3: Cross multiply
    28,223.10x = 42,351.45 × 10,694.70
  4. Step 4: Simplify right side
    28,223.10x = 452,936,052.32
  5. Step 5: Solve for x
    x = 452,936,052.32/28,223.10
  6. Step 6: Final answer
    x = 16,048.42

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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.