Home / 52,828.25-79,255.34-15,388.67

Finding the Fourth Proportional to 52,828.25, 79,255.34 and 15,388.67

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Solution

The fourth proportional to 52,828.25, 79,255.34 and 15,388.67 is: 23,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.25 : 79,255.34 = 15,388.67 : x
  2. Step 2: Convert to fraction form
    52,828.25/79,255.34 = 15,388.67/x
  3. Step 3: Cross multiply
    52,828.25x = 79,255.34 × 15,388.67
  4. Step 4: Simplify right side
    52,828.25x = 1,219,633,962.81
  5. Step 5: Solve for x
    x = 1,219,633,962.81/52,828.25
  6. Step 6: Final answer
    x = 23,086.78

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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.