Home / 21,544.34-32,316.26-8,405.93

Finding the Fourth Proportional to 21,544.34, 32,316.26 and 8,405.93

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Solution

The fourth proportional to 21,544.34, 32,316.26 and 8,405.93 is: 12,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.34 : 32,316.26 = 8,405.93 : x
  2. Step 2: Convert to fraction form
    21,544.34/32,316.26 = 8,405.93/x
  3. Step 3: Cross multiply
    21,544.34x = 32,316.26 × 8,405.93
  4. Step 4: Simplify right side
    21,544.34x = 271,648,219.42
  5. Step 5: Solve for x
    x = 271,648,219.42/21,544.34
  6. Step 6: Final answer
    x = 12,608.80

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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.