Home / 27,618.38-41,434.19-8,900.18

Finding the Fourth Proportional to 27,618.38, 41,434.19 and 8,900.18

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Solution

The fourth proportional to 27,618.38, 41,434.19 and 8,900.18 is: 13,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.38 : 41,434.19 = 8,900.18 : x
  2. Step 2: Convert to fraction form
    27,618.38/41,434.19 = 8,900.18/x
  3. Step 3: Cross multiply
    27,618.38x = 41,434.19 × 8,900.18
  4. Step 4: Simplify right side
    27,618.38x = 368,771,704.65
  5. Step 5: Solve for x
    x = 368,771,704.65/27,618.38
  6. Step 6: Final answer
    x = 13,352.40

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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.