Home / 25,924.72-38,877.42-20,388.88

Finding the Fourth Proportional to 25,924.72, 38,877.42 and 20,388.88

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Solution

The fourth proportional to 25,924.72, 38,877.42 and 20,388.88 is: 30,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,924.72 : 38,877.42 = 20,388.88 : x
  2. Step 2: Convert to fraction form
    25,924.72/38,877.42 = 20,388.88/x
  3. Step 3: Cross multiply
    25,924.72x = 38,877.42 × 20,388.88
  4. Step 4: Simplify right side
    25,924.72x = 792,667,051.09
  5. Step 5: Solve for x
    x = 792,667,051.09/25,924.72
  6. Step 6: Final answer
    x = 30,575.72

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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.