Home / 28,306.62-42,457.32-9,584.51

Finding the Fourth Proportional to 28,306.62, 42,457.32 and 9,584.51

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Solution

The fourth proportional to 28,306.62, 42,457.32 and 9,584.51 is: 14,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.62 : 42,457.32 = 9,584.51 : x
  2. Step 2: Convert to fraction form
    28,306.62/42,457.32 = 9,584.51/x
  3. Step 3: Cross multiply
    28,306.62x = 42,457.32 × 9,584.51
  4. Step 4: Simplify right side
    28,306.62x = 406,932,395.83
  5. Step 5: Solve for x
    x = 406,932,395.83/28,306.62
  6. Step 6: Final answer
    x = 14,375.87

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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.