Home / 16,731.20-25,125.60-16,212.80

Finding the Fourth Proportional to 16,731.20, 25,125.60 and 16,212.80

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Solution

The fourth proportional to 16,731.20, 25,125.60 and 16,212.80 is: 24,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.20 : 25,125.60 = 16,212.80 : x
  2. Step 2: Convert to fraction form
    16,731.20/25,125.60 = 16,212.80/x
  3. Step 3: Cross multiply
    16,731.20x = 25,125.60 × 16,212.80
  4. Step 4: Simplify right side
    16,731.20x = 407,356,327.68
  5. Step 5: Solve for x
    x = 407,356,327.68/16,731.20
  6. Step 6: Final answer
    x = 24,347.11

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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.