Home / 25,486.03-38,222.36-11,438.20

Finding the Fourth Proportional to 25,486.03, 38,222.36 and 11,438.20

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Solution

The fourth proportional to 25,486.03, 38,222.36 and 11,438.20 is: 17,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.03 : 38,222.36 = 11,438.20 : x
  2. Step 2: Convert to fraction form
    25,486.03/38,222.36 = 11,438.20/x
  3. Step 3: Cross multiply
    25,486.03x = 38,222.36 × 11,438.20
  4. Step 4: Simplify right side
    25,486.03x = 437,194,998.15
  5. Step 5: Solve for x
    x = 437,194,998.15/25,486.03
  6. Step 6: Final answer
    x = 17,154.30

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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.