Home / 21,800.35-32,702.96-8,654.05

Finding the Fourth Proportional to 21,800.35, 32,702.96 and 8,654.05

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Solution

The fourth proportional to 21,800.35, 32,702.96 and 8,654.05 is: 12,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.35 : 32,702.96 = 8,654.05 : x
  2. Step 2: Convert to fraction form
    21,800.35/32,702.96 = 8,654.05/x
  3. Step 3: Cross multiply
    21,800.35x = 32,702.96 × 8,654.05
  4. Step 4: Simplify right side
    21,800.35x = 283,013,050.99
  5. Step 5: Solve for x
    x = 283,013,050.99/21,800.35
  6. Step 6: Final answer
    x = 12,982.04

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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.