Home / 28,032.90-42,049.52-8,311.64

Finding the Fourth Proportional to 28,032.90, 42,049.52 and 8,311.64

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Solution

The fourth proportional to 28,032.90, 42,049.52 and 8,311.64 is: 12,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.90 : 42,049.52 = 8,311.64 : x
  2. Step 2: Convert to fraction form
    28,032.90/42,049.52 = 8,311.64/x
  3. Step 3: Cross multiply
    28,032.90x = 42,049.52 × 8,311.64
  4. Step 4: Simplify right side
    28,032.90x = 349,500,472.41
  5. Step 5: Solve for x
    x = 349,500,472.41/28,032.90
  6. Step 6: Final answer
    x = 12,467.51

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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.