Home / 21,869.14-32,729.39-16,308.70

Finding the Fourth Proportional to 21,869.14, 32,729.39 and 16,308.70

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Solution

The fourth proportional to 21,869.14, 32,729.39 and 16,308.70 is: 24,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.14 : 32,729.39 = 16,308.70 : x
  2. Step 2: Convert to fraction form
    21,869.14/32,729.39 = 16,308.70/x
  3. Step 3: Cross multiply
    21,869.14x = 32,729.39 × 16,308.70
  4. Step 4: Simplify right side
    21,869.14x = 533,773,721.15
  5. Step 5: Solve for x
    x = 533,773,721.15/21,869.14
  6. Step 6: Final answer
    x = 24,407.62

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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.