Home / 27,145.80-40,718.70-9,376.43

Finding the Fourth Proportional to 27,145.80, 40,718.70 and 9,376.43

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Solution

The fourth proportional to 27,145.80, 40,718.70 and 9,376.43 is: 14,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.80 : 40,718.70 = 9,376.43 : x
  2. Step 2: Convert to fraction form
    27,145.80/40,718.70 = 9,376.43/x
  3. Step 3: Cross multiply
    27,145.80x = 40,718.70 × 9,376.43
  4. Step 4: Simplify right side
    27,145.80x = 381,795,836.65
  5. Step 5: Solve for x
    x = 381,795,836.65/27,145.80
  6. Step 6: Final answer
    x = 14,064.64

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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.