Home / 27,722.24-38,256.54-15,146.90

Finding the Fourth Proportional to 27,722.24, 38,256.54 and 15,146.90

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Solution

The fourth proportional to 27,722.24, 38,256.54 and 15,146.90 is: 20,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.24 : 38,256.54 = 15,146.90 : x
  2. Step 2: Convert to fraction form
    27,722.24/38,256.54 = 15,146.90/x
  3. Step 3: Cross multiply
    27,722.24x = 38,256.54 × 15,146.90
  4. Step 4: Simplify right side
    27,722.24x = 579,467,985.73
  5. Step 5: Solve for x
    x = 579,467,985.73/27,722.24
  6. Step 6: Final answer
    x = 20,902.64

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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.