Home / 21,776.88-32,643.26-14,757.61

Finding the Fourth Proportional to 21,776.88, 32,643.26 and 14,757.61

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Solution

The fourth proportional to 21,776.88, 32,643.26 and 14,757.61 is: 22,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776.88 : 32,643.26 = 14,757.61 : x
  2. Step 2: Convert to fraction form
    21,776.88/32,643.26 = 14,757.61/x
  3. Step 3: Cross multiply
    21,776.88x = 32,643.26 × 14,757.61
  4. Step 4: Simplify right side
    21,776.88x = 481,736,500.21
  5. Step 5: Solve for x
    x = 481,736,500.21/21,776.88
  6. Step 6: Final answer
    x = 22,121.47

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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.