Home / 26,440.64-39,654.80-7,716.74

Finding the Fourth Proportional to 26,440.64, 39,654.80 and 7,716.74

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Solution

The fourth proportional to 26,440.64, 39,654.80 and 7,716.74 is: 11,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.64 : 39,654.80 = 7,716.74 : x
  2. Step 2: Convert to fraction form
    26,440.64/39,654.80 = 7,716.74/x
  3. Step 3: Cross multiply
    26,440.64x = 39,654.80 × 7,716.74
  4. Step 4: Simplify right side
    26,440.64x = 306,005,781.35
  5. Step 5: Solve for x
    x = 306,005,781.35/26,440.64
  6. Step 6: Final answer
    x = 11,573.31

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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.