Home / 28,683.23-43,035.88-13,891.01

Finding the Fourth Proportional to 28,683.23, 43,035.88 and 13,891.01

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Solution

The fourth proportional to 28,683.23, 43,035.88 and 13,891.01 is: 20,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.23 : 43,035.88 = 13,891.01 : x
  2. Step 2: Convert to fraction form
    28,683.23/43,035.88 = 13,891.01/x
  3. Step 3: Cross multiply
    28,683.23x = 43,035.88 × 13,891.01
  4. Step 4: Simplify right side
    28,683.23x = 597,811,839.44
  5. Step 5: Solve for x
    x = 597,811,839.44/28,683.23
  6. Step 6: Final answer
    x = 20,841.86

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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.