Home / 28,467.48-39,281.46-15,892.76

Finding the Fourth Proportional to 28,467.48, 39,281.46 and 15,892.76

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Solution

The fourth proportional to 28,467.48, 39,281.46 and 15,892.76 is: 21,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.48 : 39,281.46 = 15,892.76 : x
  2. Step 2: Convert to fraction form
    28,467.48/39,281.46 = 15,892.76/x
  3. Step 3: Cross multiply
    28,467.48x = 39,281.46 × 15,892.76
  4. Step 4: Simplify right side
    28,467.48x = 624,290,816.23
  5. Step 5: Solve for x
    x = 624,290,816.23/28,467.48
  6. Step 6: Final answer
    x = 21,929.96

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