Home / 38,135.20-52,625.68-21,367.84

Finding the Fourth Proportional to 38,135.20, 52,625.68 and 21,367.84

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Solution

The fourth proportional to 38,135.20, 52,625.68 and 21,367.84 is: 29,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.20 : 52,625.68 = 21,367.84 : x
  2. Step 2: Convert to fraction form
    38,135.20/52,625.68 = 21,367.84/x
  3. Step 3: Cross multiply
    38,135.20x = 52,625.68 × 21,367.84
  4. Step 4: Simplify right side
    38,135.20x = 1,124,497,110.13
  5. Step 5: Solve for x
    x = 1,124,497,110.13/38,135.20
  6. Step 6: Final answer
    x = 29,487.12

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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.