Home / 25,169.21-34,733.90-13,839.20

Finding the Fourth Proportional to 25,169.21, 34,733.90 and 13,839.20

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Solution

The fourth proportional to 25,169.21, 34,733.90 and 13,839.20 is: 19,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.21 : 34,733.90 = 13,839.20 : x
  2. Step 2: Convert to fraction form
    25,169.21/34,733.90 = 13,839.20/x
  3. Step 3: Cross multiply
    25,169.21x = 34,733.90 × 13,839.20
  4. Step 4: Simplify right side
    25,169.21x = 480,689,388.88
  5. Step 5: Solve for x
    x = 480,689,388.88/25,169.21
  6. Step 6: Final answer
    x = 19,098.31

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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.