Home / 25,229.85-34,815.89-13,899.09

Finding the Fourth Proportional to 25,229.85, 34,815.89 and 13,899.09

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Solution

The fourth proportional to 25,229.85, 34,815.89 and 13,899.09 is: 19,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.85 : 34,815.89 = 13,899.09 : x
  2. Step 2: Convert to fraction form
    25,229.85/34,815.89 = 13,899.09/x
  3. Step 3: Cross multiply
    25,229.85x = 34,815.89 × 13,899.09
  4. Step 4: Simplify right side
    25,229.85x = 483,909,353.85
  5. Step 5: Solve for x
    x = 483,909,353.85/25,229.85
  6. Step 6: Final answer
    x = 19,180.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.