Home / 22,078.89-33,115.10-7,288.29

Finding the Fourth Proportional to 22,078.89, 33,115.10 and 7,288.29

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Solution

The fourth proportional to 22,078.89, 33,115.10 and 7,288.29 is: 10,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.89 : 33,115.10 = 7,288.29 : x
  2. Step 2: Convert to fraction form
    22,078.89/33,115.10 = 7,288.29/x
  3. Step 3: Cross multiply
    22,078.89x = 33,115.10 × 7,288.29
  4. Step 4: Simplify right side
    22,078.89x = 241,352,415.74
  5. Step 5: Solve for x
    x = 241,352,415.74/22,078.89
  6. Step 6: Final answer
    x = 10,931.37

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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.