Home / 52,768.80-79,141.32-15,328.44

Finding the Fourth Proportional to 52,768.80, 79,141.32 and 15,328.44

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Solution

The fourth proportional to 52,768.80, 79,141.32 and 15,328.44 is: 22,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.80 : 79,141.32 = 15,328.44 : x
  2. Step 2: Convert to fraction form
    52,768.80/79,141.32 = 15,328.44/x
  3. Step 3: Cross multiply
    52,768.80x = 79,141.32 × 15,328.44
  4. Step 4: Simplify right side
    52,768.80x = 1,213,112,975.14
  5. Step 5: Solve for x
    x = 1,213,112,975.14/52,768.80
  6. Step 6: Final answer
    x = 22,989.21

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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.