Home / 27,676.61-38,169.99-18,235.25

Finding the Fourth Proportional to 27,676.61, 38,169.99 and 18,235.25

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Solution

The fourth proportional to 27,676.61, 38,169.99 and 18,235.25 is: 25,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.61 : 38,169.99 = 18,235.25 : x
  2. Step 2: Convert to fraction form
    27,676.61/38,169.99 = 18,235.25/x
  3. Step 3: Cross multiply
    27,676.61x = 38,169.99 × 18,235.25
  4. Step 4: Simplify right side
    27,676.61x = 696,039,310.15
  5. Step 5: Solve for x
    x = 696,039,310.15/27,676.61
  6. Step 6: Final answer
    x = 25,149.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.