Home / 28,053.20-42,056.24-12,246.21

Finding the Fourth Proportional to 28,053.20, 42,056.24 and 12,246.21

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Solution

The fourth proportional to 28,053.20, 42,056.24 and 12,246.21 is: 18,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.20 : 42,056.24 = 12,246.21 : x
  2. Step 2: Convert to fraction form
    28,053.20/42,056.24 = 12,246.21/x
  3. Step 3: Cross multiply
    28,053.20x = 42,056.24 × 12,246.21
  4. Step 4: Simplify right side
    28,053.20x = 515,029,546.85
  5. Step 5: Solve for x
    x = 515,029,546.85/28,053.20
  6. Step 6: Final answer
    x = 18,359.03

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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.