Home / 38,564.24-53,217.92-21,796.88

Finding the Fourth Proportional to 38,564.24, 53,217.92 and 21,796.88

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Solution

The fourth proportional to 38,564.24, 53,217.92 and 21,796.88 is: 30,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.24 : 53,217.92 = 21,796.88 : x
  2. Step 2: Convert to fraction form
    38,564.24/53,217.92 = 21,796.88/x
  3. Step 3: Cross multiply
    38,564.24x = 53,217.92 × 21,796.88
  4. Step 4: Simplify right side
    38,564.24x = 1,159,984,616.09
  5. Step 5: Solve for x
    x = 1,159,984,616.09/38,564.24
  6. Step 6: Final answer
    x = 30,079.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.