Home / 27,908.04-38,512.94-15,161.12

Finding the Fourth Proportional to 27,908.04, 38,512.94 and 15,161.12

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Solution

The fourth proportional to 27,908.04, 38,512.94 and 15,161.12 is: 20,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.04 : 38,512.94 = 15,161.12 : x
  2. Step 2: Convert to fraction form
    27,908.04/38,512.94 = 15,161.12/x
  3. Step 3: Cross multiply
    27,908.04x = 38,512.94 × 15,161.12
  4. Step 4: Simplify right side
    27,908.04x = 583,899,209.37
  5. Step 5: Solve for x
    x = 583,899,209.37/27,908.04
  6. Step 6: Final answer
    x = 20,922.26

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Double scale
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Similar ratio
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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.