Home / 20,827.37-31,241.64-8,176.59

Finding the Fourth Proportional to 20,827.37, 31,241.64 and 8,176.59

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Solution

The fourth proportional to 20,827.37, 31,241.64 and 8,176.59 is: 12,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.37 : 31,241.64 = 8,176.59 : x
  2. Step 2: Convert to fraction form
    20,827.37/31,241.64 = 8,176.59/x
  3. Step 3: Cross multiply
    20,827.37x = 31,241.64 × 8,176.59
  4. Step 4: Simplify right side
    20,827.37x = 255,450,081.21
  5. Step 5: Solve for x
    x = 255,450,081.21/20,827.37
  6. Step 6: Final answer
    x = 12,265.12

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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.