Home / 20,432.99-28,193.22-12,044.63

Finding the Fourth Proportional to 20,432.99, 28,193.22 and 12,044.63

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Solution

The fourth proportional to 20,432.99, 28,193.22 and 12,044.63 is: 16,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.99 : 28,193.22 = 12,044.63 : x
  2. Step 2: Convert to fraction form
    20,432.99/28,193.22 = 12,044.63/x
  3. Step 3: Cross multiply
    20,432.99x = 28,193.22 × 12,044.63
  4. Step 4: Simplify right side
    20,432.99x = 339,576,762.44
  5. Step 5: Solve for x
    x = 339,576,762.44/20,432.99
  6. Step 6: Final answer
    x = 16,619.05

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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.