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Finding the Fourth Proportional to 27,134.85, 40,736.93 and 26,855.40

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Solution

The fourth proportional to 27,134.85, 40,736.93 and 26,855.40 is: 40,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.85 : 40,736.93 = 26,855.40 : x
  2. Step 2: Convert to fraction form
    27,134.85/40,736.93 = 26,855.40/x
  3. Step 3: Cross multiply
    27,134.85x = 40,736.93 × 26,855.40
  4. Step 4: Simplify right side
    27,134.85x = 1,094,006,415.65
  5. Step 5: Solve for x
    x = 1,094,006,415.65/27,134.85
  6. Step 6: Final answer
    x = 40,317.39

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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.