Home / 25,170.35-34,732.70-13,839.66

Finding the Fourth Proportional to 25,170.35, 34,732.70 and 13,839.66

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Solution

The fourth proportional to 25,170.35, 34,732.70 and 13,839.66 is: 19,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.35 : 34,732.70 = 13,839.66 : x
  2. Step 2: Convert to fraction form
    25,170.35/34,732.70 = 13,839.66/x
  3. Step 3: Cross multiply
    25,170.35x = 34,732.70 × 13,839.66
  4. Step 4: Simplify right side
    25,170.35x = 480,688,741.58
  5. Step 5: Solve for x
    x = 480,688,741.58/25,170.35
  6. Step 6: Final answer
    x = 19,097.42

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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.