Home / 27,380.91-41,075.42-8,656.71

Finding the Fourth Proportional to 27,380.91, 41,075.42 and 8,656.71

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Solution

The fourth proportional to 27,380.91, 41,075.42 and 8,656.71 is: 12,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.91 : 41,075.42 = 8,656.71 : x
  2. Step 2: Convert to fraction form
    27,380.91/41,075.42 = 8,656.71/x
  3. Step 3: Cross multiply
    27,380.91x = 41,075.42 × 8,656.71
  4. Step 4: Simplify right side
    27,380.91x = 355,577,999.07
  5. Step 5: Solve for x
    x = 355,577,999.07/27,380.91
  6. Step 6: Final answer
    x = 12,986.35

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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.