Home / 20,532.39-30,721.68-14,622.93

Finding the Fourth Proportional to 20,532.39, 30,721.68 and 14,622.93

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Solution

The fourth proportional to 20,532.39, 30,721.68 and 14,622.93 is: 21,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.39 : 30,721.68 = 14,622.93 : x
  2. Step 2: Convert to fraction form
    20,532.39/30,721.68 = 14,622.93/x
  3. Step 3: Cross multiply
    20,532.39x = 30,721.68 × 14,622.93
  4. Step 4: Simplify right side
    20,532.39x = 449,240,976.12
  5. Step 5: Solve for x
    x = 449,240,976.12/20,532.39
  6. Step 6: Final answer
    x = 21,879.62

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1.5x scale

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.