Home / 26,487.97-39,695.04-19,906.45

Finding the Fourth Proportional to 26,487.97, 39,695.04 and 19,906.45

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Solution

The fourth proportional to 26,487.97, 39,695.04 and 19,906.45 is: 29,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.97 : 39,695.04 = 19,906.45 : x
  2. Step 2: Convert to fraction form
    26,487.97/39,695.04 = 19,906.45/x
  3. Step 3: Cross multiply
    26,487.97x = 39,695.04 × 19,906.45
  4. Step 4: Simplify right side
    26,487.97x = 790,187,329.01
  5. Step 5: Solve for x
    x = 790,187,329.01/26,487.97
  6. Step 6: Final answer
    x = 29,831.93

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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.