Home / 20,526.62-30,789.88-15,853.42

Finding the Fourth Proportional to 20,526.62, 30,789.88 and 15,853.42

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Solution

The fourth proportional to 20,526.62, 30,789.88 and 15,853.42 is: 23,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.62 : 30,789.88 = 15,853.42 : x
  2. Step 2: Convert to fraction form
    20,526.62/30,789.88 = 15,853.42/x
  3. Step 3: Cross multiply
    20,526.62x = 30,789.88 × 15,853.42
  4. Step 4: Simplify right side
    20,526.62x = 488,124,899.39
  5. Step 5: Solve for x
    x = 488,124,899.39/20,526.62
  6. Step 6: Final answer
    x = 23,780.09

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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.