Home / 25,622.49-38,438.34-11,589.12

Finding the Fourth Proportional to 25,622.49, 38,438.34 and 11,589.12

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Solution

The fourth proportional to 25,622.49, 38,438.34 and 11,589.12 is: 17,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.49 : 38,438.34 = 11,589.12 : x
  2. Step 2: Convert to fraction form
    25,622.49/38,438.34 = 11,589.12/x
  3. Step 3: Cross multiply
    25,622.49x = 38,438.34 × 11,589.12
  4. Step 4: Simplify right side
    25,622.49x = 445,466,534.86
  5. Step 5: Solve for x
    x = 445,466,534.86/25,622.49
  6. Step 6: Final answer
    x = 17,385.76

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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.