Home / 28,934.53-43,403.04-14,155.88

Finding the Fourth Proportional to 28,934.53, 43,403.04 and 14,155.88

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Solution

The fourth proportional to 28,934.53, 43,403.04 and 14,155.88 is: 21,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.53 : 43,403.04 = 14,155.88 : x
  2. Step 2: Convert to fraction form
    28,934.53/43,403.04 = 14,155.88/x
  3. Step 3: Cross multiply
    28,934.53x = 43,403.04 × 14,155.88
  4. Step 4: Simplify right side
    28,934.53x = 614,408,008.86
  5. Step 5: Solve for x
    x = 614,408,008.86/28,934.53
  6. Step 6: Final answer
    x = 21,234.42

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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.