Home / 25,432.24-38,156.64-12,286.12

Finding the Fourth Proportional to 25,432.24, 38,156.64 and 12,286.12

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Solution

The fourth proportional to 25,432.24, 38,156.64 and 12,286.12 is: 18,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.24 : 38,156.64 = 12,286.12 : x
  2. Step 2: Convert to fraction form
    25,432.24/38,156.64 = 12,286.12/x
  3. Step 3: Cross multiply
    25,432.24x = 38,156.64 × 12,286.12
  4. Step 4: Simplify right side
    25,432.24x = 468,797,057.84
  5. Step 5: Solve for x
    x = 468,797,057.84/25,432.24
  6. Step 6: Final answer
    x = 18,433.18

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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.