Home / 25,419.21-38,040.31-15,418.14

Finding the Fourth Proportional to 25,419.21, 38,040.31 and 15,418.14

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Solution

The fourth proportional to 25,419.21, 38,040.31 and 15,418.14 is: 23,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.21 : 38,040.31 = 15,418.14 : x
  2. Step 2: Convert to fraction form
    25,419.21/38,040.31 = 15,418.14/x
  3. Step 3: Cross multiply
    25,419.21x = 38,040.31 × 15,418.14
  4. Step 4: Simplify right side
    25,419.21x = 586,510,825.22
  5. Step 5: Solve for x
    x = 586,510,825.22/25,419.21
  6. Step 6: Final answer
    x = 23,073.53

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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.