Home / 28,305.10-42,455.19-9,584.74

Finding the Fourth Proportional to 28,305.10, 42,455.19 and 9,584.74

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Solution

The fourth proportional to 28,305.10, 42,455.19 and 9,584.74 is: 14,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.10 : 42,455.19 = 9,584.74 : x
  2. Step 2: Convert to fraction form
    28,305.10/42,455.19 = 9,584.74/x
  3. Step 3: Cross multiply
    28,305.10x = 42,455.19 × 9,584.74
  4. Step 4: Simplify right side
    28,305.10x = 406,921,745.52
  5. Step 5: Solve for x
    x = 406,921,745.52/28,305.10
  6. Step 6: Final answer
    x = 14,376.27

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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.