Home / 20,827.07-31,228.31-8,352.97

Finding the Fourth Proportional to 20,827.07, 31,228.31 and 8,352.97

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Solution

The fourth proportional to 20,827.07, 31,228.31 and 8,352.97 is: 12,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.07 : 31,228.31 = 8,352.97 : x
  2. Step 2: Convert to fraction form
    20,827.07/31,228.31 = 8,352.97/x
  3. Step 3: Cross multiply
    20,827.07x = 31,228.31 × 8,352.97
  4. Step 4: Simplify right side
    20,827.07x = 260,849,231.56
  5. Step 5: Solve for x
    x = 260,849,231.56/20,827.07
  6. Step 6: Final answer
    x = 12,524.53

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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.