Home / 27,436.71-41,157.50-7,715.43

Finding the Fourth Proportional to 27,436.71, 41,157.50 and 7,715.43

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Solution

The fourth proportional to 27,436.71, 41,157.50 and 7,715.43 is: 11,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.71 : 41,157.50 = 7,715.43 : x
  2. Step 2: Convert to fraction form
    27,436.71/41,157.50 = 7,715.43/x
  3. Step 3: Cross multiply
    27,436.71x = 41,157.50 × 7,715.43
  4. Step 4: Simplify right side
    27,436.71x = 317,547,771.65
  5. Step 5: Solve for x
    x = 317,547,771.65/27,436.71
  6. Step 6: Final answer
    x = 11,573.83

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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.