Home / 22,009.40-32,949.30-20,727.80

Finding the Fourth Proportional to 22,009.40, 32,949.30 and 20,727.80

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Solution

The fourth proportional to 22,009.40, 32,949.30 and 20,727.80 is: 31,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.40 : 32,949.30 = 20,727.80 : x
  2. Step 2: Convert to fraction form
    22,009.40/32,949.30 = 20,727.80/x
  3. Step 3: Cross multiply
    22,009.40x = 32,949.30 × 20,727.80
  4. Step 4: Simplify right side
    22,009.40x = 682,966,500.54
  5. Step 5: Solve for x
    x = 682,966,500.54/22,009.40
  6. Step 6: Final answer
    x = 31,030.67

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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.