Home / 27,676.81-38,193.89-15,101.53

Finding the Fourth Proportional to 27,676.81, 38,193.89 and 15,101.53

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Solution

The fourth proportional to 27,676.81, 38,193.89 and 15,101.53 is: 20,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.81 : 38,193.89 = 15,101.53 : x
  2. Step 2: Convert to fraction form
    27,676.81/38,193.89 = 15,101.53/x
  3. Step 3: Cross multiply
    27,676.81x = 38,193.89 × 15,101.53
  4. Step 4: Simplify right side
    27,676.81x = 576,786,100.14
  5. Step 5: Solve for x
    x = 576,786,100.14/27,676.81
  6. Step 6: Final answer
    x = 20,840.05

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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.