Home / 25,119.68-34,665.05-13,788.88

Finding the Fourth Proportional to 25,119.68, 34,665.05 and 13,788.88

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Solution

The fourth proportional to 25,119.68, 34,665.05 and 13,788.88 is: 19,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.68 : 34,665.05 = 13,788.88 : x
  2. Step 2: Convert to fraction form
    25,119.68/34,665.05 = 13,788.88/x
  3. Step 3: Cross multiply
    25,119.68x = 34,665.05 × 13,788.88
  4. Step 4: Simplify right side
    25,119.68x = 477,991,972.37
  5. Step 5: Solve for x
    x = 477,991,972.37/25,119.68
  6. Step 6: Final answer
    x = 19,028.59

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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.