Home / 27,713.88-38,246.09-15,139.44

Finding the Fourth Proportional to 27,713.88, 38,246.09 and 15,139.44

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Solution

The fourth proportional to 27,713.88, 38,246.09 and 15,139.44 is: 20,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.88 : 38,246.09 = 15,139.44 : x
  2. Step 2: Convert to fraction form
    27,713.88/38,246.09 = 15,139.44/x
  3. Step 3: Cross multiply
    27,713.88x = 38,246.09 × 15,139.44
  4. Step 4: Simplify right side
    27,713.88x = 579,024,384.79
  5. Step 5: Solve for x
    x = 579,024,384.79/27,713.88
  6. Step 6: Final answer
    x = 20,892.94

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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.