Home / 20,285.54-30,386.99-16,550.63

Finding the Fourth Proportional to 20,285.54, 30,386.99 and 16,550.63

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Solution

The fourth proportional to 20,285.54, 30,386.99 and 16,550.63 is: 24,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.54 : 30,386.99 = 16,550.63 : x
  2. Step 2: Convert to fraction form
    20,285.54/30,386.99 = 16,550.63/x
  3. Step 3: Cross multiply
    20,285.54x = 30,386.99 × 16,550.63
  4. Step 4: Simplify right side
    20,285.54x = 502,923,717.75
  5. Step 5: Solve for x
    x = 502,923,717.75/20,285.54
  6. Step 6: Final answer
    x = 24,792.23

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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.