Home / 21,854.20-32,776.43-8,527.54

Finding the Fourth Proportional to 21,854.20, 32,776.43 and 8,527.54

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Solution

The fourth proportional to 21,854.20, 32,776.43 and 8,527.54 is: 12,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.20 : 32,776.43 = 8,527.54 : x
  2. Step 2: Convert to fraction form
    21,854.20/32,776.43 = 8,527.54/x
  3. Step 3: Cross multiply
    21,854.20x = 32,776.43 × 8,527.54
  4. Step 4: Simplify right side
    21,854.20x = 279,502,317.88
  5. Step 5: Solve for x
    x = 279,502,317.88/21,854.20
  6. Step 6: Final answer
    x = 12,789.41

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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.