Home / 52,828.53-79,243.07-13,385.67

Finding the Fourth Proportional to 52,828.53, 79,243.07 and 13,385.67

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Solution

The fourth proportional to 52,828.53, 79,243.07 and 13,385.67 is: 20,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.53 : 79,243.07 = 13,385.67 : x
  2. Step 2: Convert to fraction form
    52,828.53/79,243.07 = 13,385.67/x
  3. Step 3: Cross multiply
    52,828.53x = 79,243.07 × 13,385.67
  4. Step 4: Simplify right side
    52,828.53x = 1,060,721,517.88
  5. Step 5: Solve for x
    x = 1,060,721,517.88/52,828.53
  6. Step 6: Final answer
    x = 20,078.57

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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.