Home / 22,500.36-33,705.72-20,663.28

Finding the Fourth Proportional to 22,500.36, 33,705.72 and 20,663.28

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Solution

The fourth proportional to 22,500.36, 33,705.72 and 20,663.28 is: 30,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500.36 : 33,705.72 = 20,663.28 : x
  2. Step 2: Convert to fraction form
    22,500.36/33,705.72 = 20,663.28/x
  3. Step 3: Cross multiply
    22,500.36x = 33,705.72 × 20,663.28
  4. Step 4: Simplify right side
    22,500.36x = 696,470,729.96
  5. Step 5: Solve for x
    x = 696,470,729.96/22,500.36
  6. Step 6: Final answer
    x = 30,953.76

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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.