Home / 25,937.82-38,908.10-8,406.28

Finding the Fourth Proportional to 25,937.82, 38,908.10 and 8,406.28

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Solution

The fourth proportional to 25,937.82, 38,908.10 and 8,406.28 is: 12,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937.82 : 38,908.10 = 8,406.28 : x
  2. Step 2: Convert to fraction form
    25,937.82/38,908.10 = 8,406.28/x
  3. Step 3: Cross multiply
    25,937.82x = 38,908.10 × 8,406.28
  4. Step 4: Simplify right side
    25,937.82x = 327,072,405.23
  5. Step 5: Solve for x
    x = 327,072,405.23/25,937.82
  6. Step 6: Final answer
    x = 12,609.86

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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.