Home / 27,722.14-38,255.72-15,146.88

Finding the Fourth Proportional to 27,722.14, 38,255.72 and 15,146.88

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Solution

The fourth proportional to 27,722.14, 38,255.72 and 15,146.88 is: 20,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.14 : 38,255.72 = 15,146.88 : x
  2. Step 2: Convert to fraction form
    27,722.14/38,255.72 = 15,146.88/x
  3. Step 3: Cross multiply
    27,722.14x = 38,255.72 × 15,146.88
  4. Step 4: Simplify right side
    27,722.14x = 579,454,800.15
  5. Step 5: Solve for x
    x = 579,454,800.15/27,722.14
  6. Step 6: Final answer
    x = 20,902.24

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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.