Home / 27,922.68-38,533.32-15,175.80

Finding the Fourth Proportional to 27,922.68, 38,533.32 and 15,175.80

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Solution

The fourth proportional to 27,922.68, 38,533.32 and 15,175.80 is: 20,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.68 : 38,533.32 = 15,175.80 : x
  2. Step 2: Convert to fraction form
    27,922.68/38,533.32 = 15,175.80/x
  3. Step 3: Cross multiply
    27,922.68x = 38,533.32 × 15,175.80
  4. Step 4: Simplify right side
    27,922.68x = 584,773,957.66
  5. Step 5: Solve for x
    x = 584,773,957.66/27,922.68
  6. Step 6: Final answer
    x = 20,942.62

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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.