Home / 20,392.02-28,144.26-12,008.52

Finding the Fourth Proportional to 20,392.02, 28,144.26 and 12,008.52

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Solution

The fourth proportional to 20,392.02, 28,144.26 and 12,008.52 is: 16,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.02 : 28,144.26 = 12,008.52 : x
  2. Step 2: Convert to fraction form
    20,392.02/28,144.26 = 12,008.52/x
  3. Step 3: Cross multiply
    20,392.02x = 28,144.26 × 12,008.52
  4. Step 4: Simplify right side
    20,392.02x = 337,970,909.10
  5. Step 5: Solve for x
    x = 337,970,909.10/20,392.02
  6. Step 6: Final answer
    x = 16,573.68

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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.