Home / 20,522.52-30,809.28-14,321.96

Finding the Fourth Proportional to 20,522.52, 30,809.28 and 14,321.96

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Solution

The fourth proportional to 20,522.52, 30,809.28 and 14,321.96 is: 21,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.52 : 30,809.28 = 14,321.96 : x
  2. Step 2: Convert to fraction form
    20,522.52/30,809.28 = 14,321.96/x
  3. Step 3: Cross multiply
    20,522.52x = 30,809.28 × 14,321.96
  4. Step 4: Simplify right side
    20,522.52x = 441,249,275.79
  5. Step 5: Solve for x
    x = 441,249,275.79/20,522.52
  6. Step 6: Final answer
    x = 21,500.74

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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.