Home / 27,871.04-38,462.88-15,296.64

Finding the Fourth Proportional to 27,871.04, 38,462.88 and 15,296.64

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Solution

The fourth proportional to 27,871.04, 38,462.88 and 15,296.64 is: 21,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.04 : 38,462.88 = 15,296.64 : x
  2. Step 2: Convert to fraction form
    27,871.04/38,462.88 = 15,296.64/x
  3. Step 3: Cross multiply
    27,871.04x = 38,462.88 × 15,296.64
  4. Step 4: Simplify right side
    27,871.04x = 588,352,828.72
  5. Step 5: Solve for x
    x = 588,352,828.72/27,871.04
  6. Step 6: Final answer
    x = 21,109.83

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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.