Home / 26,223.96-39,292.19-18,418.80

Finding the Fourth Proportional to 26,223.96, 39,292.19 and 18,418.80

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Solution

The fourth proportional to 26,223.96, 39,292.19 and 18,418.80 is: 27,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,223.96 : 39,292.19 = 18,418.80 : x
  2. Step 2: Convert to fraction form
    26,223.96/39,292.19 = 18,418.80/x
  3. Step 3: Cross multiply
    26,223.96x = 39,292.19 × 18,418.80
  4. Step 4: Simplify right side
    26,223.96x = 723,714,989.17
  5. Step 5: Solve for x
    x = 723,714,989.17/26,223.96
  6. Step 6: Final answer
    x = 27,597.47

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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.