Home / 28,297.18-42,445.82-8,575.91

Finding the Fourth Proportional to 28,297.18, 42,445.82 and 8,575.91

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Solution

The fourth proportional to 28,297.18, 42,445.82 and 8,575.91 is: 12,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.18 : 42,445.82 = 8,575.91 : x
  2. Step 2: Convert to fraction form
    28,297.18/42,445.82 = 8,575.91/x
  3. Step 3: Cross multiply
    28,297.18x = 42,445.82 × 8,575.91
  4. Step 4: Simplify right side
    28,297.18x = 364,011,500.58
  5. Step 5: Solve for x
    x = 364,011,500.58/28,297.18
  6. Step 6: Final answer
    x = 12,863.88

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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.