Home / 21,542.15-32,314.44-8,393.42

Finding the Fourth Proportional to 21,542.15, 32,314.44 and 8,393.42

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Solution

The fourth proportional to 21,542.15, 32,314.44 and 8,393.42 is: 12,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.15 : 32,314.44 = 8,393.42 : x
  2. Step 2: Convert to fraction form
    21,542.15/32,314.44 = 8,393.42/x
  3. Step 3: Cross multiply
    21,542.15x = 32,314.44 × 8,393.42
  4. Step 4: Simplify right side
    21,542.15x = 271,228,779.25
  5. Step 5: Solve for x
    x = 271,228,779.25/21,542.15
  6. Step 6: Final answer
    x = 12,590.61

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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.