Home / 20,270.48-30,363.32-16,300.28

Finding the Fourth Proportional to 20,270.48, 30,363.32 and 16,300.28

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Solution

The fourth proportional to 20,270.48, 30,363.32 and 16,300.28 is: 24,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.48 : 30,363.32 = 16,300.28 : x
  2. Step 2: Convert to fraction form
    20,270.48/30,363.32 = 16,300.28/x
  3. Step 3: Cross multiply
    20,270.48x = 30,363.32 × 16,300.28
  4. Step 4: Simplify right side
    20,270.48x = 494,930,617.73
  5. Step 5: Solve for x
    x = 494,930,617.73/20,270.48
  6. Step 6: Final answer
    x = 24,416.32

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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.