Home / 26,480.34-39,725.97-7,760.99

Finding the Fourth Proportional to 26,480.34, 39,725.97 and 7,760.99

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Solution

The fourth proportional to 26,480.34, 39,725.97 and 7,760.99 is: 11,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.34 : 39,725.97 = 7,760.99 : x
  2. Step 2: Convert to fraction form
    26,480.34/39,725.97 = 7,760.99/x
  3. Step 3: Cross multiply
    26,480.34x = 39,725.97 × 7,760.99
  4. Step 4: Simplify right side
    26,480.34x = 308,312,657.28
  5. Step 5: Solve for x
    x = 308,312,657.28/26,480.34
  6. Step 6: Final answer
    x = 11,643.08

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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.