Home / 20,577.34-30,883.33-15,909.92

Finding the Fourth Proportional to 20,577.34, 30,883.33 and 15,909.92

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Solution

The fourth proportional to 20,577.34, 30,883.33 and 15,909.92 is: 23,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.34 : 30,883.33 = 15,909.92 : x
  2. Step 2: Convert to fraction form
    20,577.34/30,883.33 = 15,909.92/x
  3. Step 3: Cross multiply
    20,577.34x = 30,883.33 × 15,909.92
  4. Step 4: Simplify right side
    20,577.34x = 491,351,201.42
  5. Step 5: Solve for x
    x = 491,351,201.42/20,577.34
  6. Step 6: Final answer
    x = 23,878.26

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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.