Home / 26,455.44-39,685.48-9,815.66

Finding the Fourth Proportional to 26,455.44, 39,685.48 and 9,815.66

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Solution

The fourth proportional to 26,455.44, 39,685.48 and 9,815.66 is: 14,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.44 : 39,685.48 = 9,815.66 : x
  2. Step 2: Convert to fraction form
    26,455.44/39,685.48 = 9,815.66/x
  3. Step 3: Cross multiply
    26,455.44x = 39,685.48 × 9,815.66
  4. Step 4: Simplify right side
    26,455.44x = 389,539,178.62
  5. Step 5: Solve for x
    x = 389,539,178.62/26,455.44
  6. Step 6: Final answer
    x = 14,724.35

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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.