Home / 22,402.88-33,604.32-21,119.84

Finding the Fourth Proportional to 22,402.88, 33,604.32 and 21,119.84

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Solution

The fourth proportional to 22,402.88, 33,604.32 and 21,119.84 is: 31,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.88 : 33,604.32 = 21,119.84 : x
  2. Step 2: Convert to fraction form
    22,402.88/33,604.32 = 21,119.84/x
  3. Step 3: Cross multiply
    22,402.88x = 33,604.32 × 21,119.84
  4. Step 4: Simplify right side
    22,402.88x = 709,717,861.71
  5. Step 5: Solve for x
    x = 709,717,861.71/22,402.88
  6. Step 6: Final answer
    x = 31,679.76

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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.