Home / 22,078.21-33,117.34-5,438.59

Finding the Fourth Proportional to 22,078.21, 33,117.34 and 5,438.59

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Solution

The fourth proportional to 22,078.21, 33,117.34 and 5,438.59 is: 8,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.21 : 33,117.34 = 5,438.59 : x
  2. Step 2: Convert to fraction form
    22,078.21/33,117.34 = 5,438.59/x
  3. Step 3: Cross multiply
    22,078.21x = 33,117.34 × 5,438.59
  4. Step 4: Simplify right side
    22,078.21x = 180,111,634.15
  5. Step 5: Solve for x
    x = 180,111,634.15/22,078.21
  6. Step 6: Final answer
    x = 8,157.89

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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.