Home / 28,311.53-42,467.39-8,590.25

Finding the Fourth Proportional to 28,311.53, 42,467.39 and 8,590.25

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Solution

The fourth proportional to 28,311.53, 42,467.39 and 8,590.25 is: 12,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.53 : 42,467.39 = 8,590.25 : x
  2. Step 2: Convert to fraction form
    28,311.53/42,467.39 = 8,590.25/x
  3. Step 3: Cross multiply
    28,311.53x = 42,467.39 × 8,590.25
  4. Step 4: Simplify right side
    28,311.53x = 364,805,592.38
  5. Step 5: Solve for x
    x = 364,805,592.38/28,311.53
  6. Step 6: Final answer
    x = 12,885.41

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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.