Home / 25,449.81-38,187.44-11,419.87

Finding the Fourth Proportional to 25,449.81, 38,187.44 and 11,419.87

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Solution

The fourth proportional to 25,449.81, 38,187.44 and 11,419.87 is: 17,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.81 : 38,187.44 = 11,419.87 : x
  2. Step 2: Convert to fraction form
    25,449.81/38,187.44 = 11,419.87/x
  3. Step 3: Cross multiply
    25,449.81x = 38,187.44 × 11,419.87
  4. Step 4: Simplify right side
    25,449.81x = 436,095,409.50
  5. Step 5: Solve for x
    x = 436,095,409.50/25,449.81
  6. Step 6: Final answer
    x = 17,135.51

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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.