Home / 38,213.88-57,330.76-14,521.84

Finding the Fourth Proportional to 38,213.88, 57,330.76 and 14,521.84

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Solution

The fourth proportional to 38,213.88, 57,330.76 and 14,521.84 is: 21,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213.88 : 57,330.76 = 14,521.84 : x
  2. Step 2: Convert to fraction form
    38,213.88/57,330.76 = 14,521.84/x
  3. Step 3: Cross multiply
    38,213.88x = 57,330.76 × 14,521.84
  4. Step 4: Simplify right side
    38,213.88x = 832,548,123.80
  5. Step 5: Solve for x
    x = 832,548,123.80/38,213.88
  6. Step 6: Final answer
    x = 21,786.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.