Home / 28,215.69-42,325.26-9,494.15

Finding the Fourth Proportional to 28,215.69, 42,325.26 and 9,494.15

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Solution

The fourth proportional to 28,215.69, 42,325.26 and 9,494.15 is: 14,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.69 : 42,325.26 = 9,494.15 : x
  2. Step 2: Convert to fraction form
    28,215.69/42,325.26 = 9,494.15/x
  3. Step 3: Cross multiply
    28,215.69x = 42,325.26 × 9,494.15
  4. Step 4: Simplify right side
    28,215.69x = 401,842,490.47
  5. Step 5: Solve for x
    x = 401,842,490.47/28,215.69
  6. Step 6: Final answer
    x = 14,241.81

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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.