Home / 27,500.82-37,911.30-20,320.17

Finding the Fourth Proportional to 27,500.82, 37,911.30 and 20,320.17

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Solution

The fourth proportional to 27,500.82, 37,911.30 and 20,320.17 is: 28,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.82 : 37,911.30 = 20,320.17 : x
  2. Step 2: Convert to fraction form
    27,500.82/37,911.30 = 20,320.17/x
  3. Step 3: Cross multiply
    27,500.82x = 37,911.30 × 20,320.17
  4. Step 4: Simplify right side
    27,500.82x = 770,364,060.92
  5. Step 5: Solve for x
    x = 770,364,060.92/27,500.82
  6. Step 6: Final answer
    x = 28,012.40

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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.