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Finding the Fourth Proportional to 27,074.58, 40,623.99 and 17,211.30

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Solution

The fourth proportional to 27,074.58, 40,623.99 and 17,211.30 is: 25,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.58 : 40,623.99 = 17,211.30 : x
  2. Step 2: Convert to fraction form
    27,074.58/40,623.99 = 17,211.30/x
  3. Step 3: Cross multiply
    27,074.58x = 40,623.99 × 17,211.30
  4. Step 4: Simplify right side
    27,074.58x = 699,191,679.09
  5. Step 5: Solve for x
    x = 699,191,679.09/27,074.58
  6. Step 6: Final answer
    x = 25,824.65

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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.