Home / 21,876.06-32,812.92-10,771.68

Finding the Fourth Proportional to 21,876.06, 32,812.92 and 10,771.68

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Solution

The fourth proportional to 21,876.06, 32,812.92 and 10,771.68 is: 16,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.06 : 32,812.92 = 10,771.68 : x
  2. Step 2: Convert to fraction form
    21,876.06/32,812.92 = 10,771.68/x
  3. Step 3: Cross multiply
    21,876.06x = 32,812.92 × 10,771.68
  4. Step 4: Simplify right side
    21,876.06x = 353,450,274.11
  5. Step 5: Solve for x
    x = 353,450,274.11/21,876.06
  6. Step 6: Final answer
    x = 16,156.94

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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.