Home / 27,736.13-38,271.39-15,799.70

Finding the Fourth Proportional to 27,736.13, 38,271.39 and 15,799.70

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Solution

The fourth proportional to 27,736.13, 38,271.39 and 15,799.70 is: 21,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.13 : 38,271.39 = 15,799.70 : x
  2. Step 2: Convert to fraction form
    27,736.13/38,271.39 = 15,799.70/x
  3. Step 3: Cross multiply
    27,736.13x = 38,271.39 × 15,799.70
  4. Step 4: Simplify right side
    27,736.13x = 604,676,480.58
  5. Step 5: Solve for x
    x = 604,676,480.58/27,736.13
  6. Step 6: Final answer
    x = 21,801.04

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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.