Home / 21,579.64-32,358.51-9,882.83

Finding the Fourth Proportional to 21,579.64, 32,358.51 and 9,882.83

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Solution

The fourth proportional to 21,579.64, 32,358.51 and 9,882.83 is: 14,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.64 : 32,358.51 = 9,882.83 : x
  2. Step 2: Convert to fraction form
    21,579.64/32,358.51 = 9,882.83/x
  3. Step 3: Cross multiply
    21,579.64x = 32,358.51 × 9,882.83
  4. Step 4: Simplify right side
    21,579.64x = 319,793,653.38
  5. Step 5: Solve for x
    x = 319,793,653.38/21,579.64
  6. Step 6: Final answer
    x = 14,819.23

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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.