Home / 22,023.63-30,350.63-21,618.73

Finding the Fourth Proportional to 22,023.63, 30,350.63 and 21,618.73

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Solution

The fourth proportional to 22,023.63, 30,350.63 and 21,618.73 is: 29,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023.63 : 30,350.63 = 21,618.73 : x
  2. Step 2: Convert to fraction form
    22,023.63/30,350.63 = 21,618.73/x
  3. Step 3: Cross multiply
    22,023.63x = 30,350.63 × 21,618.73
  4. Step 4: Simplify right side
    22,023.63x = 656,142,167.29
  5. Step 5: Solve for x
    x = 656,142,167.29/22,023.63
  6. Step 6: Final answer
    x = 29,792.64

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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.