Home / 21,548.57-32,303.66-8,397.92

Finding the Fourth Proportional to 21,548.57, 32,303.66 and 8,397.92

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Solution

The fourth proportional to 21,548.57, 32,303.66 and 8,397.92 is: 12,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.57 : 32,303.66 = 8,397.92 : x
  2. Step 2: Convert to fraction form
    21,548.57/32,303.66 = 8,397.92/x
  3. Step 3: Cross multiply
    21,548.57x = 32,303.66 × 8,397.92
  4. Step 4: Simplify right side
    21,548.57x = 271,283,390.87
  5. Step 5: Solve for x
    x = 271,283,390.87/21,548.57
  6. Step 6: Final answer
    x = 12,589.39

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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.