Home / 27,149.07-40,785.99-19,271.16

Finding the Fourth Proportional to 27,149.07, 40,785.99 and 19,271.16

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Solution

The fourth proportional to 27,149.07, 40,785.99 and 19,271.16 is: 28,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.07 : 40,785.99 = 19,271.16 : x
  2. Step 2: Convert to fraction form
    27,149.07/40,785.99 = 19,271.16/x
  3. Step 3: Cross multiply
    27,149.07x = 40,785.99 × 19,271.16
  4. Step 4: Simplify right side
    27,149.07x = 785,993,339.05
  5. Step 5: Solve for x
    x = 785,993,339.05/27,149.07
  6. Step 6: Final answer
    x = 28,951.02

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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.