Home / 36,782.79-55,168.01-10,481.28

Finding the Fourth Proportional to 36,782.79, 55,168.01 and 10,481.28

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Solution

The fourth proportional to 36,782.79, 55,168.01 and 10,481.28 is: 15,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.79 : 55,168.01 = 10,481.28 : x
  2. Step 2: Convert to fraction form
    36,782.79/55,168.01 = 10,481.28/x
  3. Step 3: Cross multiply
    36,782.79x = 55,168.01 × 10,481.28
  4. Step 4: Simplify right side
    36,782.79x = 578,231,307.45
  5. Step 5: Solve for x
    x = 578,231,307.45/36,782.79
  6. Step 6: Final answer
    x = 15,720.16

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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.