Home / 19,956.56-29,865.72-16,404.08

Finding the Fourth Proportional to 19,956.56, 29,865.72 and 16,404.08

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Solution

The fourth proportional to 19,956.56, 29,865.72 and 16,404.08 is: 24,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.56 : 29,865.72 = 16,404.08 : x
  2. Step 2: Convert to fraction form
    19,956.56/29,865.72 = 16,404.08/x
  3. Step 3: Cross multiply
    19,956.56x = 29,865.72 × 16,404.08
  4. Step 4: Simplify right side
    19,956.56x = 489,919,660.14
  5. Step 5: Solve for x
    x = 489,919,660.14/19,956.56
  6. Step 6: Final answer
    x = 24,549.30

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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.