Home / 20,532.06-28,327.30-16,748.65

Finding the Fourth Proportional to 20,532.06, 28,327.30 and 16,748.65

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Solution

The fourth proportional to 20,532.06, 28,327.30 and 16,748.65 is: 23,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.06 : 28,327.30 = 16,748.65 : x
  2. Step 2: Convert to fraction form
    20,532.06/28,327.30 = 16,748.65/x
  3. Step 3: Cross multiply
    20,532.06x = 28,327.30 × 16,748.65
  4. Step 4: Simplify right side
    20,532.06x = 474,444,033.15
  5. Step 5: Solve for x
    x = 474,444,033.15/20,532.06
  6. Step 6: Final answer
    x = 23,107.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.