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Finding the Fourth Proportional to 27,994.86, 41,987.43 and 9,526.86

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Solution

The fourth proportional to 27,994.86, 41,987.43 and 9,526.86 is: 14,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.86 : 41,987.43 = 9,526.86 : x
  2. Step 2: Convert to fraction form
    27,994.86/41,987.43 = 9,526.86/x
  3. Step 3: Cross multiply
    27,994.86x = 41,987.43 × 9,526.86
  4. Step 4: Simplify right side
    27,994.86x = 400,008,367.37
  5. Step 5: Solve for x
    x = 400,008,367.37/27,994.86
  6. Step 6: Final answer
    x = 14,288.64

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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.