Home / 26,480.94-39,726.88-7,761.58

Finding the Fourth Proportional to 26,480.94, 39,726.88 and 7,761.58

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Solution

The fourth proportional to 26,480.94, 39,726.88 and 7,761.58 is: 11,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.94 : 39,726.88 = 7,761.58 : x
  2. Step 2: Convert to fraction form
    26,480.94/39,726.88 = 7,761.58/x
  3. Step 3: Cross multiply
    26,480.94x = 39,726.88 × 7,761.58
  4. Step 4: Simplify right side
    26,480.94x = 308,343,357.27
  5. Step 5: Solve for x
    x = 308,343,357.27/26,480.94
  6. Step 6: Final answer
    x = 11,643.97

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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.