Home / 27,722.18-38,256.60-15,146.93

Finding the Fourth Proportional to 27,722.18, 38,256.60 and 15,146.93

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Solution

The fourth proportional to 27,722.18, 38,256.60 and 15,146.93 is: 20,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.18 : 38,256.60 = 15,146.93 : x
  2. Step 2: Convert to fraction form
    27,722.18/38,256.60 = 15,146.93/x
  3. Step 3: Cross multiply
    27,722.18x = 38,256.60 × 15,146.93
  4. Step 4: Simplify right side
    27,722.18x = 579,470,042.24
  5. Step 5: Solve for x
    x = 579,470,042.24/27,722.18
  6. Step 6: Final answer
    x = 20,902.76

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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.