Home / 22,160.64-30,552.96-18,369.92

Finding the Fourth Proportional to 22,160.64, 30,552.96 and 18,369.92

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Solution

The fourth proportional to 22,160.64, 30,552.96 and 18,369.92 is: 25,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.64 : 30,552.96 = 18,369.92 : x
  2. Step 2: Convert to fraction form
    22,160.64/30,552.96 = 18,369.92/x
  3. Step 3: Cross multiply
    22,160.64x = 30,552.96 × 18,369.92
  4. Step 4: Simplify right side
    22,160.64x = 561,255,430.96
  5. Step 5: Solve for x
    x = 561,255,430.96/22,160.64
  6. Step 6: Final answer
    x = 25,326.68

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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.