Home / 21,757.87-32,613.69-13,835.46

Finding the Fourth Proportional to 21,757.87, 32,613.69 and 13,835.46

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Solution

The fourth proportional to 21,757.87, 32,613.69 and 13,835.46 is: 20,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.87 : 32,613.69 = 13,835.46 : x
  2. Step 2: Convert to fraction form
    21,757.87/32,613.69 = 13,835.46/x
  3. Step 3: Cross multiply
    21,757.87x = 32,613.69 × 13,835.46
  4. Step 4: Simplify right side
    21,757.87x = 451,225,316.36
  5. Step 5: Solve for x
    x = 451,225,316.36/21,757.87
  6. Step 6: Final answer
    x = 20,738.49

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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.