Home / 26,480.78-39,685.12-13,342.17

Finding the Fourth Proportional to 26,480.78, 39,685.12 and 13,342.17

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Solution

The fourth proportional to 26,480.78, 39,685.12 and 13,342.17 is: 19,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.78 : 39,685.12 = 13,342.17 : x
  2. Step 2: Convert to fraction form
    26,480.78/39,685.12 = 13,342.17/x
  3. Step 3: Cross multiply
    26,480.78x = 39,685.12 × 13,342.17
  4. Step 4: Simplify right side
    26,480.78x = 529,485,584.15
  5. Step 5: Solve for x
    x = 529,485,584.15/26,480.78
  6. Step 6: Final answer
    x = 19,995.09

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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.