Home / 25,188.78-34,759.80-13,858.29

Finding the Fourth Proportional to 25,188.78, 34,759.80 and 13,858.29

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Solution

The fourth proportional to 25,188.78, 34,759.80 and 13,858.29 is: 19,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.78 : 34,759.80 = 13,858.29 : x
  2. Step 2: Convert to fraction form
    25,188.78/34,759.80 = 13,858.29/x
  3. Step 3: Cross multiply
    25,188.78x = 34,759.80 × 13,858.29
  4. Step 4: Simplify right side
    25,188.78x = 481,711,388.74
  5. Step 5: Solve for x
    x = 481,711,388.74/25,188.78
  6. Step 6: Final answer
    x = 19,124.05

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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.