Home / 28,232.96-38,975.52-17,628.32

Finding the Fourth Proportional to 28,232.96, 38,975.52 and 17,628.32

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Solution

The fourth proportional to 28,232.96, 38,975.52 and 17,628.32 is: 24,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.96 : 38,975.52 = 17,628.32 : x
  2. Step 2: Convert to fraction form
    28,232.96/38,975.52 = 17,628.32/x
  3. Step 3: Cross multiply
    28,232.96x = 38,975.52 × 17,628.32
  4. Step 4: Simplify right side
    28,232.96x = 687,072,938.73
  5. Step 5: Solve for x
    x = 687,072,938.73/28,232.96
  6. Step 6: Final answer
    x = 24,335.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.