Home / 38,623.92-57,879.99-18,880.17

Finding the Fourth Proportional to 38,623.92, 57,879.99 and 18,880.17

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Solution

The fourth proportional to 38,623.92, 57,879.99 and 18,880.17 is: 28,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.92 : 57,879.99 = 18,880.17 : x
  2. Step 2: Convert to fraction form
    38,623.92/57,879.99 = 18,880.17/x
  3. Step 3: Cross multiply
    38,623.92x = 57,879.99 × 18,880.17
  4. Step 4: Simplify right side
    38,623.92x = 1,092,784,050.80
  5. Step 5: Solve for x
    x = 1,092,784,050.80/38,623.92
  6. Step 6: Final answer
    x = 28,292.93

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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.