Home / 20,023.88-27,632.95-12,571.88

Finding the Fourth Proportional to 20,023.88, 27,632.95 and 12,571.88

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Solution

The fourth proportional to 20,023.88, 27,632.95 and 12,571.88 is: 17,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.88 : 27,632.95 = 12,571.88 : x
  2. Step 2: Convert to fraction form
    20,023.88/27,632.95 = 12,571.88/x
  3. Step 3: Cross multiply
    20,023.88x = 27,632.95 × 12,571.88
  4. Step 4: Simplify right side
    20,023.88x = 347,397,961.85
  5. Step 5: Solve for x
    x = 347,397,961.85/20,023.88
  6. Step 6: Final answer
    x = 17,349.19

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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.