Home / 27,736.38-38,271.78-15,799.95

Finding the Fourth Proportional to 27,736.38, 38,271.78 and 15,799.95

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Solution

The fourth proportional to 27,736.38, 38,271.78 and 15,799.95 is: 21,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.38 : 38,271.78 = 15,799.95 : x
  2. Step 2: Convert to fraction form
    27,736.38/38,271.78 = 15,799.95/x
  3. Step 3: Cross multiply
    27,736.38x = 38,271.78 × 15,799.95
  4. Step 4: Simplify right side
    27,736.38x = 604,692,210.41
  5. Step 5: Solve for x
    x = 604,692,210.41/27,736.38
  6. Step 6: Final answer
    x = 21,801.41

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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.