Home / 28,820.64-43,230.96-16,500

Finding the Fourth Proportional to 28,820.64, 43,230.96 and 16,500

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Solution

The fourth proportional to 28,820.64, 43,230.96 and 16,500 is: 24,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.64 : 43,230.96 = 16,500 : x
  2. Step 2: Convert to fraction form
    28,820.64/43,230.96 = 16,500/x
  3. Step 3: Cross multiply
    28,820.64x = 43,230.96 × 16,500
  4. Step 4: Simplify right side
    28,820.64x = 713,310,840
  5. Step 5: Solve for x
    x = 713,310,840/28,820.64
  6. Step 6: Final answer
    x = 24,750

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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.