Home / 21,362.52-32,037.72-8,867.09

Finding the Fourth Proportional to 21,362.52, 32,037.72 and 8,867.09

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Solution

The fourth proportional to 21,362.52, 32,037.72 and 8,867.09 is: 13,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.52 : 32,037.72 = 8,867.09 : x
  2. Step 2: Convert to fraction form
    21,362.52/32,037.72 = 8,867.09/x
  3. Step 3: Cross multiply
    21,362.52x = 32,037.72 × 8,867.09
  4. Step 4: Simplify right side
    21,362.52x = 284,081,186.45
  5. Step 5: Solve for x
    x = 284,081,186.45/21,362.52
  6. Step 6: Final answer
    x = 13,298.11

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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.