Home / 27,747.70-38,282.76-16,981.36

Finding the Fourth Proportional to 27,747.70, 38,282.76 and 16,981.36

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Solution

The fourth proportional to 27,747.70, 38,282.76 and 16,981.36 is: 23,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.70 : 38,282.76 = 16,981.36 : x
  2. Step 2: Convert to fraction form
    27,747.70/38,282.76 = 16,981.36/x
  3. Step 3: Cross multiply
    27,747.70x = 38,282.76 × 16,981.36
  4. Step 4: Simplify right side
    27,747.70x = 650,093,329.35
  5. Step 5: Solve for x
    x = 650,093,329.35/27,747.70
  6. Step 6: Final answer
    x = 23,428.73

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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.