Home / 28,981.45-39,994.91-16,234.53

Finding the Fourth Proportional to 28,981.45, 39,994.91 and 16,234.53

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Solution

The fourth proportional to 28,981.45, 39,994.91 and 16,234.53 is: 22,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.45 : 39,994.91 = 16,234.53 : x
  2. Step 2: Convert to fraction form
    28,981.45/39,994.91 = 16,234.53/x
  3. Step 3: Cross multiply
    28,981.45x = 39,994.91 × 16,234.53
  4. Step 4: Simplify right side
    28,981.45x = 649,298,566.24
  5. Step 5: Solve for x
    x = 649,298,566.24/28,981.45
  6. Step 6: Final answer
    x = 22,403.94

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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.