Home / 25,400.97-38,126.06-12,262.57

Finding the Fourth Proportional to 25,400.97, 38,126.06 and 12,262.57

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Solution

The fourth proportional to 25,400.97, 38,126.06 and 12,262.57 is: 18,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.97 : 38,126.06 = 12,262.57 : x
  2. Step 2: Convert to fraction form
    25,400.97/38,126.06 = 12,262.57/x
  3. Step 3: Cross multiply
    25,400.97x = 38,126.06 × 12,262.57
  4. Step 4: Simplify right side
    25,400.97x = 467,523,227.63
  5. Step 5: Solve for x
    x = 467,523,227.63/25,400.97
  6. Step 6: Final answer
    x = 18,405.72

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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.