Home / 22,087.68-33,128.16-7,297.20

Finding the Fourth Proportional to 22,087.68, 33,128.16 and 7,297.20

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Solution

The fourth proportional to 22,087.68, 33,128.16 and 7,297.20 is: 10,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.68 : 33,128.16 = 7,297.20 : x
  2. Step 2: Convert to fraction form
    22,087.68/33,128.16 = 7,297.20/x
  3. Step 3: Cross multiply
    22,087.68x = 33,128.16 × 7,297.20
  4. Step 4: Simplify right side
    22,087.68x = 241,742,809.15
  5. Step 5: Solve for x
    x = 241,742,809.15/22,087.68
  6. Step 6: Final answer
    x = 10,944.69

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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.