Home / 27,847.14-38,428.94-15,100.65

Finding the Fourth Proportional to 27,847.14, 38,428.94 and 15,100.65

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Solution

The fourth proportional to 27,847.14, 38,428.94 and 15,100.65 is: 20,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.14 : 38,428.94 = 15,100.65 : x
  2. Step 2: Convert to fraction form
    27,847.14/38,428.94 = 15,100.65/x
  3. Step 3: Cross multiply
    27,847.14x = 38,428.94 × 15,100.65
  4. Step 4: Simplify right side
    27,847.14x = 580,301,897.31
  5. Step 5: Solve for x
    x = 580,301,897.31/27,847.14
  6. Step 6: Final answer
    x = 20,838.83

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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.