Home / 20,201.12-30,262.80-16,507.52

Finding the Fourth Proportional to 20,201.12, 30,262.80 and 16,507.52

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Solution

The fourth proportional to 20,201.12, 30,262.80 and 16,507.52 is: 24,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.12 : 30,262.80 = 16,507.52 : x
  2. Step 2: Convert to fraction form
    20,201.12/30,262.80 = 16,507.52/x
  3. Step 3: Cross multiply
    20,201.12x = 30,262.80 × 16,507.52
  4. Step 4: Simplify right side
    20,201.12x = 499,563,776.26
  5. Step 5: Solve for x
    x = 499,563,776.26/20,201.12
  6. Step 6: Final answer
    x = 24,729.51

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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.