Home / 38,267.75-52,809.50-21,500.75

Finding the Fourth Proportional to 38,267.75, 52,809.50 and 21,500.75

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Solution

The fourth proportional to 38,267.75, 52,809.50 and 21,500.75 is: 29,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.75 : 52,809.50 = 21,500.75 : x
  2. Step 2: Convert to fraction form
    38,267.75/52,809.50 = 21,500.75/x
  3. Step 3: Cross multiply
    38,267.75x = 52,809.50 × 21,500.75
  4. Step 4: Simplify right side
    38,267.75x = 1,135,443,857.13
  5. Step 5: Solve for x
    x = 1,135,443,857.13/38,267.75
  6. Step 6: Final answer
    x = 29,671.04

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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.