Home / 20,270.52-27,950.76-17,434.80

Finding the Fourth Proportional to 20,270.52, 27,950.76 and 17,434.80

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Solution

The fourth proportional to 20,270.52, 27,950.76 and 17,434.80 is: 24,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.52 : 27,950.76 = 17,434.80 : x
  2. Step 2: Convert to fraction form
    20,270.52/27,950.76 = 17,434.80/x
  3. Step 3: Cross multiply
    20,270.52x = 27,950.76 × 17,434.80
  4. Step 4: Simplify right side
    20,270.52x = 487,315,910.45
  5. Step 5: Solve for x
    x = 487,315,910.45/20,270.52
  6. Step 6: Final answer
    x = 24,040.62

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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.