Home / 26,084.56-39,132.60-7,618

Finding the Fourth Proportional to 26,084.56, 39,132.60 and 7,618

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Solution

The fourth proportional to 26,084.56, 39,132.60 and 7,618 is: 11,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,084.56 : 39,132.60 = 7,618 : x
  2. Step 2: Convert to fraction form
    26,084.56/39,132.60 = 7,618/x
  3. Step 3: Cross multiply
    26,084.56x = 39,132.60 × 7,618
  4. Step 4: Simplify right side
    26,084.56x = 298,112,146.80
  5. Step 5: Solve for x
    x = 298,112,146.80/26,084.56
  6. Step 6: Final answer
    x = 11,428.68

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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.