Home / 20,205.88-27,882.22-14,903.60

Finding the Fourth Proportional to 20,205.88, 27,882.22 and 14,903.60

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Solution

The fourth proportional to 20,205.88, 27,882.22 and 14,903.60 is: 20,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.88 : 27,882.22 = 14,903.60 : x
  2. Step 2: Convert to fraction form
    20,205.88/27,882.22 = 14,903.60/x
  3. Step 3: Cross multiply
    20,205.88x = 27,882.22 × 14,903.60
  4. Step 4: Simplify right side
    20,205.88x = 415,545,453.99
  5. Step 5: Solve for x
    x = 415,545,453.99/20,205.88
  6. Step 6: Final answer
    x = 20,565.57

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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.