Home / 26,488.05-39,728.51-9,845.79

Finding the Fourth Proportional to 26,488.05, 39,728.51 and 9,845.79

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Solution

The fourth proportional to 26,488.05, 39,728.51 and 9,845.79 is: 14,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.05 : 39,728.51 = 9,845.79 : x
  2. Step 2: Convert to fraction form
    26,488.05/39,728.51 = 9,845.79/x
  3. Step 3: Cross multiply
    26,488.05x = 39,728.51 × 9,845.79
  4. Step 4: Simplify right side
    26,488.05x = 391,158,405.18
  5. Step 5: Solve for x
    x = 391,158,405.18/26,488.05
  6. Step 6: Final answer
    x = 14,767.36

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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.