Home / 21,964.13-32,979.00-21,636.08

Finding the Fourth Proportional to 21,964.13, 32,979.00 and 21,636.08

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Solution

The fourth proportional to 21,964.13, 32,979.00 and 21,636.08 is: 32,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.13 : 32,979.00 = 21,636.08 : x
  2. Step 2: Convert to fraction form
    21,964.13/32,979.00 = 21,636.08/x
  3. Step 3: Cross multiply
    21,964.13x = 32,979.00 × 21,636.08
  4. Step 4: Simplify right side
    21,964.13x = 713,536,322.23
  5. Step 5: Solve for x
    x = 713,536,322.23/21,964.13
  6. Step 6: Final answer
    x = 32,486.44

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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.