Home / 21,935.52-32,887.92-10,835.28

Finding the Fourth Proportional to 21,935.52, 32,887.92 and 10,835.28

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Solution

The fourth proportional to 21,935.52, 32,887.92 and 10,835.28 is: 16,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.52 : 32,887.92 = 10,835.28 : x
  2. Step 2: Convert to fraction form
    21,935.52/32,887.92 = 10,835.28/x
  3. Step 3: Cross multiply
    21,935.52x = 32,887.92 × 10,835.28
  4. Step 4: Simplify right side
    21,935.52x = 356,349,821.82
  5. Step 5: Solve for x
    x = 356,349,821.82/21,935.52
  6. Step 6: Final answer
    x = 16,245.33

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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.