Home / 28,050.88-42,072.24-8,325.76

Finding the Fourth Proportional to 28,050.88, 42,072.24 and 8,325.76

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Solution

The fourth proportional to 28,050.88, 42,072.24 and 8,325.76 is: 12,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.88 : 42,072.24 = 8,325.76 : x
  2. Step 2: Convert to fraction form
    28,050.88/42,072.24 = 8,325.76/x
  3. Step 3: Cross multiply
    28,050.88x = 42,072.24 × 8,325.76
  4. Step 4: Simplify right side
    28,050.88x = 350,283,372.90
  5. Step 5: Solve for x
    x = 350,283,372.90/28,050.88
  6. Step 6: Final answer
    x = 12,487.43

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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.