Home / 20,532.52-30,772.23-9,279.58

Finding the Fourth Proportional to 20,532.52, 30,772.23 and 9,279.58

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Solution

The fourth proportional to 20,532.52, 30,772.23 and 9,279.58 is: 13,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.52 : 30,772.23 = 9,279.58 : x
  2. Step 2: Convert to fraction form
    20,532.52/30,772.23 = 9,279.58/x
  3. Step 3: Cross multiply
    20,532.52x = 30,772.23 × 9,279.58
  4. Step 4: Simplify right side
    20,532.52x = 285,553,370.06
  5. Step 5: Solve for x
    x = 285,553,370.06/20,532.52
  6. Step 6: Final answer
    x = 13,907.37

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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.