Home / 20,583.01-28,405.33-11,631.50

Finding the Fourth Proportional to 20,583.01, 28,405.33 and 11,631.50

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Solution

The fourth proportional to 20,583.01, 28,405.33 and 11,631.50 is: 16,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.01 : 28,405.33 = 11,631.50 : x
  2. Step 2: Convert to fraction form
    20,583.01/28,405.33 = 11,631.50/x
  3. Step 3: Cross multiply
    20,583.01x = 28,405.33 × 11,631.50
  4. Step 4: Simplify right side
    20,583.01x = 330,396,596.74
  5. Step 5: Solve for x
    x = 330,396,596.74/20,583.01
  6. Step 6: Final answer
    x = 16,051.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.