Home / 27,254.79-40,852.80-13,185.09

Finding the Fourth Proportional to 27,254.79, 40,852.80 and 13,185.09

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Solution

The fourth proportional to 27,254.79, 40,852.80 and 13,185.09 is: 19,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,254.79 : 40,852.80 = 13,185.09 : x
  2. Step 2: Convert to fraction form
    27,254.79/40,852.80 = 13,185.09/x
  3. Step 3: Cross multiply
    27,254.79x = 40,852.80 × 13,185.09
  4. Step 4: Simplify right side
    27,254.79x = 538,647,844.75
  5. Step 5: Solve for x
    x = 538,647,844.75/27,254.79
  6. Step 6: Final answer
    x = 19,763.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.