Home / 36,806.72-55,211.84-10,513.28

Finding the Fourth Proportional to 36,806.72, 55,211.84 and 10,513.28

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Solution

The fourth proportional to 36,806.72, 55,211.84 and 10,513.28 is: 15,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.72 : 55,211.84 = 10,513.28 : x
  2. Step 2: Convert to fraction form
    36,806.72/55,211.84 = 10,513.28/x
  3. Step 3: Cross multiply
    36,806.72x = 55,211.84 × 10,513.28
  4. Step 4: Simplify right side
    36,806.72x = 580,457,533.24
  5. Step 5: Solve for x
    x = 580,457,533.24/36,806.72
  6. Step 6: Final answer
    x = 15,770.42

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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.