Home / 28,310.97-42,464.01-9,590.61

Finding the Fourth Proportional to 28,310.97, 42,464.01 and 9,590.61

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Solution

The fourth proportional to 28,310.97, 42,464.01 and 9,590.61 is: 14,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.97 : 42,464.01 = 9,590.61 : x
  2. Step 2: Convert to fraction form
    28,310.97/42,464.01 = 9,590.61/x
  3. Step 3: Cross multiply
    28,310.97x = 42,464.01 × 9,590.61
  4. Step 4: Simplify right side
    28,310.97x = 407,255,758.95
  5. Step 5: Solve for x
    x = 407,255,758.95/28,310.97
  6. Step 6: Final answer
    x = 14,385.09

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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.