Home / 17,991.20-26,935.44-14,298.68

Finding the Fourth Proportional to 17,991.20, 26,935.44 and 14,298.68

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Solution

The fourth proportional to 17,991.20, 26,935.44 and 14,298.68 is: 21,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.20 : 26,935.44 = 14,298.68 : x
  2. Step 2: Convert to fraction form
    17,991.20/26,935.44 = 14,298.68/x
  3. Step 3: Cross multiply
    17,991.20x = 26,935.44 × 14,298.68
  4. Step 4: Simplify right side
    17,991.20x = 385,141,237.22
  5. Step 5: Solve for x
    x = 385,141,237.22/17,991.20
  6. Step 6: Final answer
    x = 21,407.20

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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.