Home / 27,000.08-40,513.79-18,216.55

Finding the Fourth Proportional to 27,000.08, 40,513.79 and 18,216.55

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Solution

The fourth proportional to 27,000.08, 40,513.79 and 18,216.55 is: 27,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.08 : 40,513.79 = 18,216.55 : x
  2. Step 2: Convert to fraction form
    27,000.08/40,513.79 = 18,216.55/x
  3. Step 3: Cross multiply
    27,000.08x = 40,513.79 × 18,216.55
  4. Step 4: Simplify right side
    27,000.08x = 738,021,481.22
  5. Step 5: Solve for x
    x = 738,021,481.22/27,000.08
  6. Step 6: Final answer
    x = 27,334.05

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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.