Home / 21,679.64-32,498.26-10,585.88

Finding the Fourth Proportional to 21,679.64, 32,498.26 and 10,585.88

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Solution

The fourth proportional to 21,679.64, 32,498.26 and 10,585.88 is: 15,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.64 : 32,498.26 = 10,585.88 : x
  2. Step 2: Convert to fraction form
    21,679.64/32,498.26 = 10,585.88/x
  3. Step 3: Cross multiply
    21,679.64x = 32,498.26 × 10,585.88
  4. Step 4: Simplify right side
    21,679.64x = 344,022,680.57
  5. Step 5: Solve for x
    x = 344,022,680.57/21,679.64
  6. Step 6: Final answer
    x = 15,868.47

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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.