Home / 20,325.70-30,467.76-13,752.58

Finding the Fourth Proportional to 20,325.70, 30,467.76 and 13,752.58

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Solution

The fourth proportional to 20,325.70, 30,467.76 and 13,752.58 is: 20,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.70 : 30,467.76 = 13,752.58 : x
  2. Step 2: Convert to fraction form
    20,325.70/30,467.76 = 13,752.58/x
  3. Step 3: Cross multiply
    20,325.70x = 30,467.76 × 13,752.58
  4. Step 4: Simplify right side
    20,325.70x = 419,010,306.82
  5. Step 5: Solve for x
    x = 419,010,306.82/20,325.70
  6. Step 6: Final answer
    x = 20,614.80

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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.