Home / 30,257.25-41,756.49-16,828.22

Finding the Fourth Proportional to 30,257.25, 41,756.49 and 16,828.22

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Solution

The fourth proportional to 30,257.25, 41,756.49 and 16,828.22 is: 23,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.25 : 41,756.49 = 16,828.22 : x
  2. Step 2: Convert to fraction form
    30,257.25/41,756.49 = 16,828.22/x
  3. Step 3: Cross multiply
    30,257.25x = 41,756.49 × 16,828.22
  4. Step 4: Simplify right side
    30,257.25x = 702,687,211.62
  5. Step 5: Solve for x
    x = 702,687,211.62/30,257.25
  6. Step 6: Final answer
    x = 23,223.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.