Home / 28,934.20-43,401.30-10,461.88

Finding the Fourth Proportional to 28,934.20, 43,401.30 and 10,461.88

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Solution

The fourth proportional to 28,934.20, 43,401.30 and 10,461.88 is: 15,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.20 : 43,401.30 = 10,461.88 : x
  2. Step 2: Convert to fraction form
    28,934.20/43,401.30 = 10,461.88/x
  3. Step 3: Cross multiply
    28,934.20x = 43,401.30 × 10,461.88
  4. Step 4: Simplify right side
    28,934.20x = 454,059,192.44
  5. Step 5: Solve for x
    x = 454,059,192.44/28,934.20
  6. Step 6: Final answer
    x = 15,692.82

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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.