Home / 22,765.44-31,418.38-13,815.22

Finding the Fourth Proportional to 22,765.44, 31,418.38 and 13,815.22

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Solution

The fourth proportional to 22,765.44, 31,418.38 and 13,815.22 is: 19,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.44 : 31,418.38 = 13,815.22 : x
  2. Step 2: Convert to fraction form
    22,765.44/31,418.38 = 13,815.22/x
  3. Step 3: Cross multiply
    22,765.44x = 31,418.38 × 13,815.22
  4. Step 4: Simplify right side
    22,765.44x = 434,051,831.74
  5. Step 5: Solve for x
    x = 434,051,831.74/22,765.44
  6. Step 6: Final answer
    x = 19,066.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.