Home / 27,938.70-38,554.83-15,192.14

Finding the Fourth Proportional to 27,938.70, 38,554.83 and 15,192.14

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Solution

The fourth proportional to 27,938.70, 38,554.83 and 15,192.14 is: 20,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.70 : 38,554.83 = 15,192.14 : x
  2. Step 2: Convert to fraction form
    27,938.70/38,554.83 = 15,192.14/x
  3. Step 3: Cross multiply
    27,938.70x = 38,554.83 × 15,192.14
  4. Step 4: Simplify right side
    27,938.70x = 585,730,182.26
  5. Step 5: Solve for x
    x = 585,730,182.26/27,938.70
  6. Step 6: Final answer
    x = 20,964.83

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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.