Home / 27,378.60-41,084.30-18,951.76

Finding the Fourth Proportional to 27,378.60, 41,084.30 and 18,951.76

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Solution

The fourth proportional to 27,378.60, 41,084.30 and 18,951.76 is: 28,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.60 : 41,084.30 = 18,951.76 : x
  2. Step 2: Convert to fraction form
    27,378.60/41,084.30 = 18,951.76/x
  3. Step 3: Cross multiply
    27,378.60x = 41,084.30 × 18,951.76
  4. Step 4: Simplify right side
    27,378.60x = 778,619,793.37
  5. Step 5: Solve for x
    x = 778,619,793.37/27,378.60
  6. Step 6: Final answer
    x = 28,438.99

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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.