Home / 19,848.85-29,775.92-10,489.25

Finding the Fourth Proportional to 19,848.85, 29,775.92 and 10,489.25

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Solution

The fourth proportional to 19,848.85, 29,775.92 and 10,489.25 is: 15,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.85 : 29,775.92 = 10,489.25 : x
  2. Step 2: Convert to fraction form
    19,848.85/29,775.92 = 10,489.25/x
  3. Step 3: Cross multiply
    19,848.85x = 29,775.92 × 10,489.25
  4. Step 4: Simplify right side
    19,848.85x = 312,327,068.86
  5. Step 5: Solve for x
    x = 312,327,068.86/19,848.85
  6. Step 6: Final answer
    x = 15,735.27

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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.