Home / 27,404.20-41,106.30-18,947.80

Finding the Fourth Proportional to 27,404.20, 41,106.30 and 18,947.80

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Solution

The fourth proportional to 27,404.20, 41,106.30 and 18,947.80 is: 28,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,404.20 : 41,106.30 = 18,947.80 : x
  2. Step 2: Convert to fraction form
    27,404.20/41,106.30 = 18,947.80/x
  3. Step 3: Cross multiply
    27,404.20x = 41,106.30 × 18,947.80
  4. Step 4: Simplify right side
    27,404.20x = 778,873,951.14
  5. Step 5: Solve for x
    x = 778,873,951.14/27,404.20
  6. Step 6: Final answer
    x = 28,421.70

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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.