Home / 20,254.12-30,327.92-16,284.31

Finding the Fourth Proportional to 20,254.12, 30,327.92 and 16,284.31

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Solution

The fourth proportional to 20,254.12, 30,327.92 and 16,284.31 is: 24,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.12 : 30,327.92 = 16,284.31 : x
  2. Step 2: Convert to fraction form
    20,254.12/30,327.92 = 16,284.31/x
  3. Step 3: Cross multiply
    20,254.12x = 30,327.92 × 16,284.31
  4. Step 4: Simplify right side
    20,254.12x = 493,869,154.76
  5. Step 5: Solve for x
    x = 493,869,154.76/20,254.12
  6. Step 6: Final answer
    x = 24,383.64

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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.