Home / 27,743.24-38,288.30-15,169.88

Finding the Fourth Proportional to 27,743.24, 38,288.30 and 15,169.88

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Solution

The fourth proportional to 27,743.24, 38,288.30 and 15,169.88 is: 20,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.24 : 38,288.30 = 15,169.88 : x
  2. Step 2: Convert to fraction form
    27,743.24/38,288.30 = 15,169.88/x
  3. Step 3: Cross multiply
    27,743.24x = 38,288.30 × 15,169.88
  4. Step 4: Simplify right side
    27,743.24x = 580,828,916.40
  5. Step 5: Solve for x
    x = 580,828,916.40/27,743.24
  6. Step 6: Final answer
    x = 20,935.87

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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.