Home / 21,883.61-30,240.25-17,903.27

Finding the Fourth Proportional to 21,883.61, 30,240.25 and 17,903.27

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Solution

The fourth proportional to 21,883.61, 30,240.25 and 17,903.27 is: 24,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.61 : 30,240.25 = 17,903.27 : x
  2. Step 2: Convert to fraction form
    21,883.61/30,240.25 = 17,903.27/x
  3. Step 3: Cross multiply
    21,883.61x = 30,240.25 × 17,903.27
  4. Step 4: Simplify right side
    21,883.61x = 541,399,360.62
  5. Step 5: Solve for x
    x = 541,399,360.62/21,883.61
  6. Step 6: Final answer
    x = 24,739.95

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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.