Home / 27,995.47-38,633.41-15,248.61

Finding the Fourth Proportional to 27,995.47, 38,633.41 and 15,248.61

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Solution

The fourth proportional to 27,995.47, 38,633.41 and 15,248.61 is: 21,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.47 : 38,633.41 = 15,248.61 : x
  2. Step 2: Convert to fraction form
    27,995.47/38,633.41 = 15,248.61/x
  3. Step 3: Cross multiply
    27,995.47x = 38,633.41 × 15,248.61
  4. Step 4: Simplify right side
    27,995.47x = 589,105,675.65
  5. Step 5: Solve for x
    x = 589,105,675.65/27,995.47
  6. Step 6: Final answer
    x = 21,042.90

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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.