Home / 27,868.86-41,801.71-20,380.10

Finding the Fourth Proportional to 27,868.86, 41,801.71 and 20,380.10

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Solution

The fourth proportional to 27,868.86, 41,801.71 and 20,380.10 is: 30,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.86 : 41,801.71 = 20,380.10 : x
  2. Step 2: Convert to fraction form
    27,868.86/41,801.71 = 20,380.10/x
  3. Step 3: Cross multiply
    27,868.86x = 41,801.71 × 20,380.10
  4. Step 4: Simplify right side
    27,868.86x = 851,923,029.97
  5. Step 5: Solve for x
    x = 851,923,029.97/27,868.86
  6. Step 6: Final answer
    x = 30,569.00

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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.