Home / 27,275.35-40,933.31-20,271.67

Finding the Fourth Proportional to 27,275.35, 40,933.31 and 20,271.67

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Solution

The fourth proportional to 27,275.35, 40,933.31 and 20,271.67 is: 30,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.35 : 40,933.31 = 20,271.67 : x
  2. Step 2: Convert to fraction form
    27,275.35/40,933.31 = 20,271.67/x
  3. Step 3: Cross multiply
    27,275.35x = 40,933.31 × 20,271.67
  4. Step 4: Simplify right side
    27,275.35x = 829,786,450.97
  5. Step 5: Solve for x
    x = 829,786,450.97/27,275.35
  6. Step 6: Final answer
    x = 30,422.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.