Home / 19,310.48-28,936.56-14,356.88

Finding the Fourth Proportional to 19,310.48, 28,936.56 and 14,356.88

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Solution

The fourth proportional to 19,310.48, 28,936.56 and 14,356.88 is: 21,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.48 : 28,936.56 = 14,356.88 : x
  2. Step 2: Convert to fraction form
    19,310.48/28,936.56 = 14,356.88/x
  3. Step 3: Cross multiply
    19,310.48x = 28,936.56 × 14,356.88
  4. Step 4: Simplify right side
    19,310.48x = 415,438,719.53
  5. Step 5: Solve for x
    x = 415,438,719.53/19,310.48
  6. Step 6: Final answer
    x = 21,513.64

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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.