Home / 21,678.64-32,496.76-10,584.88

Finding the Fourth Proportional to 21,678.64, 32,496.76 and 10,584.88

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Solution

The fourth proportional to 21,678.64, 32,496.76 and 10,584.88 is: 15,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.64 : 32,496.76 = 10,584.88 : x
  2. Step 2: Convert to fraction form
    21,678.64/32,496.76 = 10,584.88/x
  3. Step 3: Cross multiply
    21,678.64x = 32,496.76 × 10,584.88
  4. Step 4: Simplify right side
    21,678.64x = 343,974,304.99
  5. Step 5: Solve for x
    x = 343,974,304.99/21,678.64
  6. Step 6: Final answer
    x = 15,866.97

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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.