Home / 28,994.52-40,012.43-16,247.81

Finding the Fourth Proportional to 28,994.52, 40,012.43 and 16,247.81

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Solution

The fourth proportional to 28,994.52, 40,012.43 and 16,247.81 is: 22,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.52 : 40,012.43 = 16,247.81 : x
  2. Step 2: Convert to fraction form
    28,994.52/40,012.43 = 16,247.81/x
  3. Step 3: Cross multiply
    28,994.52x = 40,012.43 × 16,247.81
  4. Step 4: Simplify right side
    28,994.52x = 650,114,078.98
  5. Step 5: Solve for x
    x = 650,114,078.98/28,994.52
  6. Step 6: Final answer
    x = 22,421.96

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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.