Home / 25,218.78-34,802.01-14,040.78

Finding the Fourth Proportional to 25,218.78, 34,802.01 and 14,040.78

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Solution

The fourth proportional to 25,218.78, 34,802.01 and 14,040.78 is: 19,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.78 : 34,802.01 = 14,040.78 : x
  2. Step 2: Convert to fraction form
    25,218.78/34,802.01 = 14,040.78/x
  3. Step 3: Cross multiply
    25,218.78x = 34,802.01 × 14,040.78
  4. Step 4: Simplify right side
    25,218.78x = 488,647,365.97
  5. Step 5: Solve for x
    x = 488,647,365.97/25,218.78
  6. Step 6: Final answer
    x = 19,376.33

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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.