Home / 28,055.92-42,047.52-11,396.60

Finding the Fourth Proportional to 28,055.92, 42,047.52 and 11,396.60

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Solution

The fourth proportional to 28,055.92, 42,047.52 and 11,396.60 is: 17,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.92 : 42,047.52 = 11,396.60 : x
  2. Step 2: Convert to fraction form
    28,055.92/42,047.52 = 11,396.60/x
  3. Step 3: Cross multiply
    28,055.92x = 42,047.52 × 11,396.60
  4. Step 4: Simplify right side
    28,055.92x = 479,198,735.24
  5. Step 5: Solve for x
    x = 479,198,735.24/28,055.92
  6. Step 6: Final answer
    x = 17,080.13

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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.