Home / 25,171.49-34,736.33-13,840.89

Finding the Fourth Proportional to 25,171.49, 34,736.33 and 13,840.89

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Solution

The fourth proportional to 25,171.49, 34,736.33 and 13,840.89 is: 19,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.49 : 34,736.33 = 13,840.89 : x
  2. Step 2: Convert to fraction form
    25,171.49/34,736.33 = 13,840.89/x
  3. Step 3: Cross multiply
    25,171.49x = 34,736.33 × 13,840.89
  4. Step 4: Simplify right side
    25,171.49x = 480,781,757.14
  5. Step 5: Solve for x
    x = 480,781,757.14/25,171.49
  6. Step 6: Final answer
    x = 19,100.25

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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.