Home / 28,903.94-43,363.18-8,127.44

Finding the Fourth Proportional to 28,903.94, 43,363.18 and 8,127.44

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Solution

The fourth proportional to 28,903.94, 43,363.18 and 8,127.44 is: 12,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.94 : 43,363.18 = 8,127.44 : x
  2. Step 2: Convert to fraction form
    28,903.94/43,363.18 = 8,127.44/x
  3. Step 3: Cross multiply
    28,903.94x = 43,363.18 × 8,127.44
  4. Step 4: Simplify right side
    28,903.94x = 352,431,599.61
  5. Step 5: Solve for x
    x = 352,431,599.61/28,903.94
  6. Step 6: Final answer
    x = 12,193.20

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1.5x scale

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.