Home / 21,989.46-33,002.01-10,895.70

Finding the Fourth Proportional to 21,989.46, 33,002.01 and 10,895.70

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Solution

The fourth proportional to 21,989.46, 33,002.01 and 10,895.70 is: 16,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989.46 : 33,002.01 = 10,895.70 : x
  2. Step 2: Convert to fraction form
    21,989.46/33,002.01 = 10,895.70/x
  3. Step 3: Cross multiply
    21,989.46x = 33,002.01 × 10,895.70
  4. Step 4: Simplify right side
    21,989.46x = 359,580,000.36
  5. Step 5: Solve for x
    x = 359,580,000.36/21,989.46
  6. Step 6: Final answer
    x = 16,352.38

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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.