Home / 21,676.55-32,485.66-8,525.39

Finding the Fourth Proportional to 21,676.55, 32,485.66 and 8,525.39

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Solution

The fourth proportional to 21,676.55, 32,485.66 and 8,525.39 is: 12,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.55 : 32,485.66 = 8,525.39 : x
  2. Step 2: Convert to fraction form
    21,676.55/32,485.66 = 8,525.39/x
  3. Step 3: Cross multiply
    21,676.55x = 32,485.66 × 8,525.39
  4. Step 4: Simplify right side
    21,676.55x = 276,952,737.17
  5. Step 5: Solve for x
    x = 276,952,737.17/21,676.55
  6. Step 6: Final answer
    x = 12,776.61

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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.