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Finding the Fourth Proportional to 25,355.39, 38,044.94 and 11,313.94

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Solution

The fourth proportional to 25,355.39, 38,044.94 and 11,313.94 is: 16,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.39 : 38,044.94 = 11,313.94 : x
  2. Step 2: Convert to fraction form
    25,355.39/38,044.94 = 11,313.94/x
  3. Step 3: Cross multiply
    25,355.39x = 38,044.94 × 11,313.94
  4. Step 4: Simplify right side
    25,355.39x = 430,438,168.46
  5. Step 5: Solve for x
    x = 430,438,168.46/25,355.39
  6. Step 6: Final answer
    x = 16,976.20

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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.