Home / 26,386.73-39,570.97-7,661.69

Finding the Fourth Proportional to 26,386.73, 39,570.97 and 7,661.69

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Solution

The fourth proportional to 26,386.73, 39,570.97 and 7,661.69 is: 11,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.73 : 39,570.97 = 7,661.69 : x
  2. Step 2: Convert to fraction form
    26,386.73/39,570.97 = 7,661.69/x
  3. Step 3: Cross multiply
    26,386.73x = 39,570.97 × 7,661.69
  4. Step 4: Simplify right side
    26,386.73x = 303,180,505.14
  5. Step 5: Solve for x
    x = 303,180,505.14/26,386.73
  6. Step 6: Final answer
    x = 11,489.89

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1.5x scale

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.