Home / 27,122.43-37,429.47-15,185.76

Finding the Fourth Proportional to 27,122.43, 37,429.47 and 15,185.76

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Solution

The fourth proportional to 27,122.43, 37,429.47 and 15,185.76 is: 20,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.43 : 37,429.47 = 15,185.76 : x
  2. Step 2: Convert to fraction form
    27,122.43/37,429.47 = 15,185.76/x
  3. Step 3: Cross multiply
    27,122.43x = 37,429.47 × 15,185.76
  4. Step 4: Simplify right side
    27,122.43x = 568,394,948.35
  5. Step 5: Solve for x
    x = 568,394,948.35/27,122.43
  6. Step 6: Final answer
    x = 20,956.64

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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.