Home / 27,615.13-38,107.56-15,676.84

Finding the Fourth Proportional to 27,615.13, 38,107.56 and 15,676.84

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Solution

The fourth proportional to 27,615.13, 38,107.56 and 15,676.84 is: 21,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.13 : 38,107.56 = 15,676.84 : x
  2. Step 2: Convert to fraction form
    27,615.13/38,107.56 = 15,676.84/x
  3. Step 3: Cross multiply
    27,615.13x = 38,107.56 × 15,676.84
  4. Step 4: Simplify right side
    27,615.13x = 597,406,227.33
  5. Step 5: Solve for x
    x = 597,406,227.33/27,615.13
  6. Step 6: Final answer
    x = 21,633.30

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1.5x scale

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.