Home / 21,650.42-32,497.50-13,777.22

Finding the Fourth Proportional to 21,650.42, 32,497.50 and 13,777.22

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Solution

The fourth proportional to 21,650.42, 32,497.50 and 13,777.22 is: 20,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.42 : 32,497.50 = 13,777.22 : x
  2. Step 2: Convert to fraction form
    21,650.42/32,497.50 = 13,777.22/x
  3. Step 3: Cross multiply
    21,650.42x = 32,497.50 × 13,777.22
  4. Step 4: Simplify right side
    21,650.42x = 447,725,206.95
  5. Step 5: Solve for x
    x = 447,725,206.95/21,650.42
  6. Step 6: Final answer
    x = 20,679.75

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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.