Home / 27,288.21-40,937.27-11,277.78

Finding the Fourth Proportional to 27,288.21, 40,937.27 and 11,277.78

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Solution

The fourth proportional to 27,288.21, 40,937.27 and 11,277.78 is: 16,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.21 : 40,937.27 = 11,277.78 : x
  2. Step 2: Convert to fraction form
    27,288.21/40,937.27 = 11,277.78/x
  3. Step 3: Cross multiply
    27,288.21x = 40,937.27 × 11,277.78
  4. Step 4: Simplify right side
    27,288.21x = 461,681,524.86
  5. Step 5: Solve for x
    x = 461,681,524.86/27,288.21
  6. Step 6: Final answer
    x = 16,918.72

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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.