Home / 26,470.94-39,706.38-20,631.92

Finding the Fourth Proportional to 26,470.94, 39,706.38 and 20,631.92

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Solution

The fourth proportional to 26,470.94, 39,706.38 and 20,631.92 is: 30,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.94 : 39,706.38 = 20,631.92 : x
  2. Step 2: Convert to fraction form
    26,470.94/39,706.38 = 20,631.92/x
  3. Step 3: Cross multiply
    26,470.94x = 39,706.38 × 20,631.92
  4. Step 4: Simplify right side
    26,470.94x = 819,218,855.65
  5. Step 5: Solve for x
    x = 819,218,855.65/26,470.94
  6. Step 6: Final answer
    x = 30,947.86

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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.