Home / 28,548.74-42,823.11-8,826.86

Finding the Fourth Proportional to 28,548.74, 42,823.11 and 8,826.86

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Solution

The fourth proportional to 28,548.74, 42,823.11 and 8,826.86 is: 13,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.74 : 42,823.11 = 8,826.86 : x
  2. Step 2: Convert to fraction form
    28,548.74/42,823.11 = 8,826.86/x
  3. Step 3: Cross multiply
    28,548.74x = 42,823.11 × 8,826.86
  4. Step 4: Simplify right side
    28,548.74x = 377,993,382.62
  5. Step 5: Solve for x
    x = 377,993,382.62/28,548.74
  6. Step 6: Final answer
    x = 13,240.28

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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.