Home / 27,922.77-38,533.72-15,175.95

Finding the Fourth Proportional to 27,922.77, 38,533.72 and 15,175.95

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Solution

The fourth proportional to 27,922.77, 38,533.72 and 15,175.95 is: 20,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.77 : 38,533.72 = 15,175.95 : x
  2. Step 2: Convert to fraction form
    27,922.77/38,533.72 = 15,175.95/x
  3. Step 3: Cross multiply
    27,922.77x = 38,533.72 × 15,175.95
  4. Step 4: Simplify right side
    27,922.77x = 584,785,808.03
  5. Step 5: Solve for x
    x = 584,785,808.03/27,922.77
  6. Step 6: Final answer
    x = 20,942.97

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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.