Home / 25,818.45-38,731.71-11,027.45

Finding the Fourth Proportional to 25,818.45, 38,731.71 and 11,027.45

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Solution

The fourth proportional to 25,818.45, 38,731.71 and 11,027.45 is: 16,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.45 : 38,731.71 = 11,027.45 : x
  2. Step 2: Convert to fraction form
    25,818.45/38,731.71 = 11,027.45/x
  3. Step 3: Cross multiply
    25,818.45x = 38,731.71 × 11,027.45
  4. Step 4: Simplify right side
    25,818.45x = 427,111,801.78
  5. Step 5: Solve for x
    x = 427,111,801.78/25,818.45
  6. Step 6: Final answer
    x = 16,542.89

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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.