Home / 26,989.04-37,230.72-21,958.88

Finding the Fourth Proportional to 26,989.04, 37,230.72 and 21,958.88

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Solution

The fourth proportional to 26,989.04, 37,230.72 and 21,958.88 is: 30,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.04 : 37,230.72 = 21,958.88 : x
  2. Step 2: Convert to fraction form
    26,989.04/37,230.72 = 21,958.88/x
  3. Step 3: Cross multiply
    26,989.04x = 37,230.72 × 21,958.88
  4. Step 4: Simplify right side
    26,989.04x = 817,544,912.79
  5. Step 5: Solve for x
    x = 817,544,912.79/26,989.04
  6. Step 6: Final answer
    x = 30,291.74

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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.