Home / 28,110.92-42,166.38-7,334.24

Finding the Fourth Proportional to 28,110.92, 42,166.38 and 7,334.24

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Solution

The fourth proportional to 28,110.92, 42,166.38 and 7,334.24 is: 11,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.92 : 42,166.38 = 7,334.24 : x
  2. Step 2: Convert to fraction form
    28,110.92/42,166.38 = 7,334.24/x
  3. Step 3: Cross multiply
    28,110.92x = 42,166.38 × 7,334.24
  4. Step 4: Simplify right side
    28,110.92x = 309,258,350.85
  5. Step 5: Solve for x
    x = 309,258,350.85/28,110.92
  6. Step 6: Final answer
    x = 11,001.36

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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.