Home / 21,659.30-32,433.51-12,285.27

Finding the Fourth Proportional to 21,659.30, 32,433.51 and 12,285.27

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Solution

The fourth proportional to 21,659.30, 32,433.51 and 12,285.27 is: 18,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.30 : 32,433.51 = 12,285.27 : x
  2. Step 2: Convert to fraction form
    21,659.30/32,433.51 = 12,285.27/x
  3. Step 3: Cross multiply
    21,659.30x = 32,433.51 × 12,285.27
  4. Step 4: Simplify right side
    21,659.30x = 398,454,473.47
  5. Step 5: Solve for x
    x = 398,454,473.47/21,659.30
  6. Step 6: Final answer
    x = 18,396.46

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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.